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Finding the Fourth Proportional to 60,381.54, 90,524.88 and 38,148.12

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Solution

The fourth proportional to 60,381.54, 90,524.88 and 38,148.12 is: 57,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,381.54 : 90,524.88 = 38,148.12 : x
  2. Step 2: Convert to fraction form
    60,381.54/90,524.88 = 38,148.12/x
  3. Step 3: Cross multiply
    60,381.54x = 90,524.88 × 38,148.12
  4. Step 4: Simplify right side
    60,381.54x = 3,453,353,985.23
  5. Step 5: Solve for x
    x = 3,453,353,985.23/60,381.54
  6. Step 6: Final answer
    x = 57,192.21

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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.