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Finding the Fourth Proportional to 69,475.61, 95,878.13 and 42,632.95

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Solution

The fourth proportional to 69,475.61, 95,878.13 and 42,632.95 is: 58,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,475.61 : 95,878.13 = 42,632.95 : x
  2. Step 2: Convert to fraction form
    69,475.61/95,878.13 = 42,632.95/x
  3. Step 3: Cross multiply
    69,475.61x = 95,878.13 × 42,632.95
  4. Step 4: Simplify right side
    69,475.61x = 4,087,567,522.38
  5. Step 5: Solve for x
    x = 4,087,567,522.38/69,475.61
  6. Step 6: Final answer
    x = 58,834.57

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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.