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Finding the Fourth Proportional to 69,788.76, 96,307.76 and 37,957.65

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Solution

The fourth proportional to 69,788.76, 96,307.76 and 37,957.65 is: 52,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,788.76 : 96,307.76 = 37,957.65 : x
  2. Step 2: Convert to fraction form
    69,788.76/96,307.76 = 37,957.65/x
  3. Step 3: Cross multiply
    69,788.76x = 96,307.76 × 37,957.65
  4. Step 4: Simplify right side
    69,788.76x = 3,655,615,980.10
  5. Step 5: Solve for x
    x = 3,655,615,980.10/69,788.76
  6. Step 6: Final answer
    x = 52,381.16

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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.