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Finding the Fourth Proportional to 43,710.88, 60,273.16 and 29,539.12

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Solution

The fourth proportional to 43,710.88, 60,273.16 and 29,539.12 is: 40,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,710.88 : 60,273.16 = 29,539.12 : x
  2. Step 2: Convert to fraction form
    43,710.88/60,273.16 = 29,539.12/x
  3. Step 3: Cross multiply
    43,710.88x = 60,273.16 × 29,539.12
  4. Step 4: Simplify right side
    43,710.88x = 1,780,416,106.02
  5. Step 5: Solve for x
    x = 1,780,416,106.02/43,710.88
  6. Step 6: Final answer
    x = 40,731.65

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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.