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Finding the Fourth Proportional to 58,572.28, 80,829.62 and 31,714.80

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Solution

The fourth proportional to 58,572.28, 80,829.62 and 31,714.80 is: 43,766.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,572.28 : 80,829.62 = 31,714.80 : x
  2. Step 2: Convert to fraction form
    58,572.28/80,829.62 = 31,714.80/x
  3. Step 3: Cross multiply
    58,572.28x = 80,829.62 × 31,714.80
  4. Step 4: Simplify right side
    58,572.28x = 2,563,495,232.38
  5. Step 5: Solve for x
    x = 2,563,495,232.38/58,572.28
  6. Step 6: Final answer
    x = 43,766.36

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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.