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Finding the Fourth Proportional to 60,595.54, 90,898.17 and 21,151.78

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Solution

The fourth proportional to 60,595.54, 90,898.17 and 21,151.78 is: 31,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,595.54 : 90,898.17 = 21,151.78 : x
  2. Step 2: Convert to fraction form
    60,595.54/90,898.17 = 21,151.78/x
  3. Step 3: Cross multiply
    60,595.54x = 90,898.17 × 21,151.78
  4. Step 4: Simplify right side
    60,595.54x = 1,922,658,094.24
  5. Step 5: Solve for x
    x = 1,922,658,094.24/60,595.54
  6. Step 6: Final answer
    x = 31,729.37

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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.