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Finding the Fourth Proportional to 69,082.66, 95,337.57 and 40,787.74

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Solution

The fourth proportional to 69,082.66, 95,337.57 and 40,787.74 is: 56,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,082.66 : 95,337.57 = 40,787.74 : x
  2. Step 2: Convert to fraction form
    69,082.66/95,337.57 = 40,787.74/x
  3. Step 3: Cross multiply
    69,082.66x = 95,337.57 × 40,787.74
  4. Step 4: Simplify right side
    69,082.66x = 3,888,604,017.39
  5. Step 5: Solve for x
    x = 3,888,604,017.39/69,082.66
  6. Step 6: Final answer
    x = 56,289.15

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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.