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Finding the Fourth Proportional to 70,569.02, 97,380.85 and 38,737.71

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Solution

The fourth proportional to 70,569.02, 97,380.85 and 38,737.71 is: 53,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,569.02 : 97,380.85 = 38,737.71 : x
  2. Step 2: Convert to fraction form
    70,569.02/97,380.85 = 38,737.71/x
  3. Step 3: Cross multiply
    70,569.02x = 97,380.85 × 38,737.71
  4. Step 4: Simplify right side
    70,569.02x = 3,772,311,126.85
  5. Step 5: Solve for x
    x = 3,772,311,126.85/70,569.02
  6. Step 6: Final answer
    x = 53,455.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.