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Finding the Fourth Proportional to 60,597.54, 90,901.17 and 21,153.78

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Solution

The fourth proportional to 60,597.54, 90,901.17 and 21,153.78 is: 31,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,597.54 : 90,901.17 = 21,153.78 : x
  2. Step 2: Convert to fraction form
    60,597.54/90,901.17 = 21,153.78/x
  3. Step 3: Cross multiply
    60,597.54x = 90,901.17 × 21,153.78
  4. Step 4: Simplify right side
    60,597.54x = 1,922,903,351.92
  5. Step 5: Solve for x
    x = 1,922,903,351.92/60,597.54
  6. Step 6: Final answer
    x = 31,732.37

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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.