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Finding the Fourth Proportional to 58,319.79, 80,520.04 and 44,867.31

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Solution

The fourth proportional to 58,319.79, 80,520.04 and 44,867.31 is: 61,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,319.79 : 80,520.04 = 44,867.31 : x
  2. Step 2: Convert to fraction form
    58,319.79/80,520.04 = 44,867.31/x
  3. Step 3: Cross multiply
    58,319.79x = 80,520.04 × 44,867.31
  4. Step 4: Simplify right side
    58,319.79x = 3,612,717,595.89
  5. Step 5: Solve for x
    x = 3,612,717,595.89/58,319.79
  6. Step 6: Final answer
    x = 61,946.68

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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.