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Finding the Fourth Proportional to 48,468, 66,886.92 and 29,615.52

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Solution

The fourth proportional to 48,468, 66,886.92 and 29,615.52 is: 40,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,468 : 66,886.92 = 29,615.52 : x
  2. Step 2: Convert to fraction form
    48,468/66,886.92 = 29,615.52/x
  3. Step 3: Cross multiply
    48,468x = 66,886.92 × 29,615.52
  4. Step 4: Simplify right side
    48,468x = 1,980,890,917.00
  5. Step 5: Solve for x
    x = 1,980,890,917.00/48,468
  6. Step 6: Final answer
    x = 40,870.08

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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.