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Finding the Fourth Proportional to 48,818, 67,365.04 and 29,695.20

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Solution

The fourth proportional to 48,818, 67,365.04 and 29,695.20 is: 40,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,818 : 67,365.04 = 29,695.20 : x
  2. Step 2: Convert to fraction form
    48,818/67,365.04 = 29,695.20/x
  3. Step 3: Cross multiply
    48,818x = 67,365.04 × 29,695.20
  4. Step 4: Simplify right side
    48,818x = 2,000,418,335.81
  5. Step 5: Solve for x
    x = 2,000,418,335.81/48,818
  6. Step 6: Final answer
    x = 40,977.06

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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.