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Finding the Fourth Proportional to 8,353.59, 12,532.33 and 2,430.62

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Solution

The fourth proportional to 8,353.59, 12,532.33 and 2,430.62 is: 3,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.59 : 12,532.33 = 2,430.62 : x
  2. Step 2: Convert to fraction form
    8,353.59/12,532.33 = 2,430.62/x
  3. Step 3: Cross multiply
    8,353.59x = 12,532.33 × 2,430.62
  4. Step 4: Simplify right side
    8,353.59x = 30,461,331.94
  5. Step 5: Solve for x
    x = 30,461,331.94/8,353.59
  6. Step 6: Final answer
    x = 3,646.50

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Half scale
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Double scale
Find fourth proportional to 8,354.59, 12,533.83 and 2,431.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.