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Finding the Fourth Proportional to 59,722.95, 89,598.28 and 20,280.10

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Solution

The fourth proportional to 59,722.95, 89,598.28 and 20,280.10 is: 30,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,722.95 : 89,598.28 = 20,280.10 : x
  2. Step 2: Convert to fraction form
    59,722.95/89,598.28 = 20,280.10/x
  3. Step 3: Cross multiply
    59,722.95x = 89,598.28 × 20,280.10
  4. Step 4: Simplify right side
    59,722.95x = 1,817,061,700.52
  5. Step 5: Solve for x
    x = 1,817,061,700.52/59,722.95
  6. Step 6: Final answer
    x = 30,424.85

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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.