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Finding the Fourth Proportional to 59,639, 89,461.52 and 15,266.12

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Solution

The fourth proportional to 59,639, 89,461.52 and 15,266.12 is: 22,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,639 : 89,461.52 = 15,266.12 : x
  2. Step 2: Convert to fraction form
    59,639/89,461.52 = 15,266.12/x
  3. Step 3: Cross multiply
    59,639x = 89,461.52 × 15,266.12
  4. Step 4: Simplify right side
    59,639x = 1,365,730,299.70
  5. Step 5: Solve for x
    x = 1,365,730,299.70/59,639
  6. Step 6: Final answer
    x = 22,899.95

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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.