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Finding the Fourth Proportional to 5,870.04, 8,805.05 and 1,487.84

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Solution

The fourth proportional to 5,870.04, 8,805.05 and 1,487.84 is: 2,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.04 : 8,805.05 = 1,487.84 : x
  2. Step 2: Convert to fraction form
    5,870.04/8,805.05 = 1,487.84/x
  3. Step 3: Cross multiply
    5,870.04x = 8,805.05 × 1,487.84
  4. Step 4: Simplify right side
    5,870.04x = 13,100,459.71
  5. Step 5: Solve for x
    x = 13,100,459.71/5,870.04
  6. Step 6: Final answer
    x = 2,231.75

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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.