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Finding the Fourth Proportional to 58,672.29, 80,967.55 and 31,814.73

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Solution

The fourth proportional to 58,672.29, 80,967.55 and 31,814.73 is: 43,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,672.29 : 80,967.55 = 31,814.73 : x
  2. Step 2: Convert to fraction form
    58,672.29/80,967.55 = 31,814.73/x
  3. Step 3: Cross multiply
    58,672.29x = 80,967.55 × 31,814.73
  4. Step 4: Simplify right side
    58,672.29x = 2,575,960,722.13
  5. Step 5: Solve for x
    x = 2,575,960,722.13/58,672.29
  6. Step 6: Final answer
    x = 43,904.21

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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.