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Finding the Fourth Proportional to 58,174.97, 80,308.95 and 38,825.91

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Solution

The fourth proportional to 58,174.97, 80,308.95 and 38,825.91 is: 53,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,174.97 : 80,308.95 = 38,825.91 : x
  2. Step 2: Convert to fraction form
    58,174.97/80,308.95 = 38,825.91/x
  3. Step 3: Cross multiply
    58,174.97x = 80,308.95 × 38,825.91
  4. Step 4: Simplify right side
    58,174.97x = 3,118,068,215.28
  5. Step 5: Solve for x
    x = 3,118,068,215.28/58,174.97
  6. Step 6: Final answer
    x = 53,598.11

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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.