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Finding the Fourth Proportional to 97,792.70, 146,737.65 and 38,630.30

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Solution

The fourth proportional to 97,792.70, 146,737.65 and 38,630.30 is: 57,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,792.70 : 146,737.65 = 38,630.30 : x
  2. Step 2: Convert to fraction form
    97,792.70/146,737.65 = 38,630.30/x
  3. Step 3: Cross multiply
    97,792.70x = 146,737.65 × 38,630.30
  4. Step 4: Simplify right side
    97,792.70x = 5,668,519,440.80
  5. Step 5: Solve for x
    x = 5,668,519,440.80/97,792.70
  6. Step 6: Final answer
    x = 57,964.65

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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.