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Finding the Fourth Proportional to 58,387.79, 80,575.40 and 32,894.46

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Solution

The fourth proportional to 58,387.79, 80,575.40 and 32,894.46 is: 45,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,387.79 : 80,575.40 = 32,894.46 : x
  2. Step 2: Convert to fraction form
    58,387.79/80,575.40 = 32,894.46/x
  3. Step 3: Cross multiply
    58,387.79x = 80,575.40 × 32,894.46
  4. Step 4: Simplify right side
    58,387.79x = 2,650,484,272.28
  5. Step 5: Solve for x
    x = 2,650,484,272.28/58,387.79
  6. Step 6: Final answer
    x = 45,394.50

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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.