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Finding the Fourth Proportional to 5,870.02, 8,805.05 and 1,487.47

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Solution

The fourth proportional to 5,870.02, 8,805.05 and 1,487.47 is: 2,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.02 : 8,805.05 = 1,487.47 : x
  2. Step 2: Convert to fraction form
    5,870.02/8,805.05 = 1,487.47/x
  3. Step 3: Cross multiply
    5,870.02x = 8,805.05 × 1,487.47
  4. Step 4: Simplify right side
    5,870.02x = 13,097,196.26
  5. Step 5: Solve for x
    x = 13,097,196.26/5,870.02
  6. Step 6: Final answer
    x = 2,231.20

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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.