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Finding the Fourth Proportional to 60,618.56, 90,929.28 and 23,173.76

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Solution

The fourth proportional to 60,618.56, 90,929.28 and 23,173.76 is: 34,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,618.56 : 90,929.28 = 23,173.76 : x
  2. Step 2: Convert to fraction form
    60,618.56/90,929.28 = 23,173.76/x
  3. Step 3: Cross multiply
    60,618.56x = 90,929.28 × 23,173.76
  4. Step 4: Simplify right side
    60,618.56x = 2,107,173,311.69
  5. Step 5: Solve for x
    x = 2,107,173,311.69/60,618.56
  6. Step 6: Final answer
    x = 34,761.19

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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.