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Finding the Fourth Proportional to 52,433.70, 72,355.95 and 29,769.72

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Solution

The fourth proportional to 52,433.70, 72,355.95 and 29,769.72 is: 41,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,433.70 : 72,355.95 = 29,769.72 : x
  2. Step 2: Convert to fraction form
    52,433.70/72,355.95 = 29,769.72/x
  3. Step 3: Cross multiply
    52,433.70x = 72,355.95 × 29,769.72
  4. Step 4: Simplify right side
    52,433.70x = 2,154,016,371.83
  5. Step 5: Solve for x
    x = 2,154,016,371.83/52,433.70
  6. Step 6: Final answer
    x = 41,080.76

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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.