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Finding the Fourth Proportional to 57,873.60, 79,866.18 and 34,001.28

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Solution

The fourth proportional to 57,873.60, 79,866.18 and 34,001.28 is: 46,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,873.60 : 79,866.18 = 34,001.28 : x
  2. Step 2: Convert to fraction form
    57,873.60/79,866.18 = 34,001.28/x
  3. Step 3: Cross multiply
    57,873.60x = 79,866.18 × 34,001.28
  4. Step 4: Simplify right side
    57,873.60x = 2,715,552,348.71
  5. Step 5: Solve for x
    x = 2,715,552,348.71/57,873.60
  6. Step 6: Final answer
    x = 46,922.13

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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.