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Finding the Fourth Proportional to 60,598.54, 90,902.67 and 21,154.78

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Solution

The fourth proportional to 60,598.54, 90,902.67 and 21,154.78 is: 31,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,598.54 : 90,902.67 = 21,154.78 : x
  2. Step 2: Convert to fraction form
    60,598.54/90,902.67 = 21,154.78/x
  3. Step 3: Cross multiply
    60,598.54x = 90,902.67 × 21,154.78
  4. Step 4: Simplify right side
    60,598.54x = 1,923,025,985.26
  5. Step 5: Solve for x
    x = 1,923,025,985.26/60,598.54
  6. Step 6: Final answer
    x = 31,733.87

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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.