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Finding the Fourth Proportional to 41,712.90, 58,514.70 and 41,712.90

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Solution

The fourth proportional to 41,712.90, 58,514.70 and 41,712.90 is: 58,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,712.90 : 58,514.70 = 41,712.90 : x
  2. Step 2: Convert to fraction form
    41,712.90/58,514.70 = 41,712.90/x
  3. Step 3: Cross multiply
    41,712.90x = 58,514.70 × 41,712.90
  4. Step 4: Simplify right side
    41,712.90x = 2,440,817,829.63
  5. Step 5: Solve for x
    x = 2,440,817,829.63/41,712.90
  6. Step 6: Final answer
    x = 58,514.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.