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Finding the Fourth Proportional to 60,737.40, 91,278.90 and 53,134.20

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Solution

The fourth proportional to 60,737.40, 91,278.90 and 53,134.20 is: 79,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,737.40 : 91,278.90 = 53,134.20 : x
  2. Step 2: Convert to fraction form
    60,737.40/91,278.90 = 53,134.20/x
  3. Step 3: Cross multiply
    60,737.40x = 91,278.90 × 53,134.20
  4. Step 4: Simplify right side
    60,737.40x = 4,850,031,328.38
  5. Step 5: Solve for x
    x = 4,850,031,328.38/60,737.40
  6. Step 6: Final answer
    x = 79,852.47

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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.