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Finding the Fourth Proportional to 71,815.04, 99,089.76 and 41,598.56

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Solution

The fourth proportional to 71,815.04, 99,089.76 and 41,598.56 is: 57,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,815.04 : 99,089.76 = 41,598.56 : x
  2. Step 2: Convert to fraction form
    71,815.04/99,089.76 = 41,598.56/x
  3. Step 3: Cross multiply
    71,815.04x = 99,089.76 × 41,598.56
  4. Step 4: Simplify right side
    71,815.04x = 4,121,991,326.75
  5. Step 5: Solve for x
    x = 4,121,991,326.75/71,815.04
  6. Step 6: Final answer
    x = 57,397.33

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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.