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Finding the Fourth Proportional to 58,603.38, 80,867.88 and 34,401.75

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Solution

The fourth proportional to 58,603.38, 80,867.88 and 34,401.75 is: 47,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,603.38 : 80,867.88 = 34,401.75 : x
  2. Step 2: Convert to fraction form
    58,603.38/80,867.88 = 34,401.75/x
  3. Step 3: Cross multiply
    58,603.38x = 80,867.88 × 34,401.75
  4. Step 4: Simplify right side
    58,603.38x = 2,781,996,590.79
  5. Step 5: Solve for x
    x = 2,781,996,590.79/58,603.38
  6. Step 6: Final answer
    x = 47,471.61

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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.