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Finding the Fourth Proportional to 60,355.44, 90,537.84 and 15,981.12

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Solution

The fourth proportional to 60,355.44, 90,537.84 and 15,981.12 is: 23,972.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,355.44 : 90,537.84 = 15,981.12 : x
  2. Step 2: Convert to fraction form
    60,355.44/90,537.84 = 15,981.12/x
  3. Step 3: Cross multiply
    60,355.44x = 90,537.84 × 15,981.12
  4. Step 4: Simplify right side
    60,355.44x = 1,446,896,085.58
  5. Step 5: Solve for x
    x = 1,446,896,085.58/60,355.44
  6. Step 6: Final answer
    x = 23,972.92

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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.