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Finding the Fourth Proportional to 15,059.10, 22,590 and 3,965.62

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Solution

The fourth proportional to 15,059.10, 22,590 and 3,965.62 is: 5,948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059.10 : 22,590 = 3,965.62 : x
  2. Step 2: Convert to fraction form
    15,059.10/22,590 = 3,965.62/x
  3. Step 3: Cross multiply
    15,059.10x = 22,590 × 3,965.62
  4. Step 4: Simplify right side
    15,059.10x = 89,583,355.80
  5. Step 5: Solve for x
    x = 89,583,355.80/15,059.10
  6. Step 6: Final answer
    x = 5,948.79

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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.