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Finding the Fourth Proportional to 5,355.99, 8,034.21 and 1,658.29

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Solution

The fourth proportional to 5,355.99, 8,034.21 and 1,658.29 is: 2,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.99 : 8,034.21 = 1,658.29 : x
  2. Step 2: Convert to fraction form
    5,355.99/8,034.21 = 1,658.29/x
  3. Step 3: Cross multiply
    5,355.99x = 8,034.21 × 1,658.29
  4. Step 4: Simplify right side
    5,355.99x = 13,323,001.64
  5. Step 5: Solve for x
    x = 13,323,001.64/5,355.99
  6. Step 6: Final answer
    x = 2,487.50

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Half scale
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Double scale
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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.