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Finding the Fourth Proportional to 58,920.28, 88,380.42 and 34,279

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Solution

The fourth proportional to 58,920.28, 88,380.42 and 34,279 is: 51,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,920.28 : 88,380.42 = 34,279 : x
  2. Step 2: Convert to fraction form
    58,920.28/88,380.42 = 34,279/x
  3. Step 3: Cross multiply
    58,920.28x = 88,380.42 × 34,279
  4. Step 4: Simplify right side
    58,920.28x = 3,029,592,417.18
  5. Step 5: Solve for x
    x = 3,029,592,417.18/58,920.28
  6. Step 6: Final answer
    x = 51,418.50

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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.