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Finding the Fourth Proportional to 61,473.28, 84,830.84 and 34,248.72

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Solution

The fourth proportional to 61,473.28, 84,830.84 and 34,248.72 is: 47,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,473.28 : 84,830.84 = 34,248.72 : x
  2. Step 2: Convert to fraction form
    61,473.28/84,830.84 = 34,248.72/x
  3. Step 3: Cross multiply
    61,473.28x = 84,830.84 × 34,248.72
  4. Step 4: Simplify right side
    61,473.28x = 2,905,348,154.48
  5. Step 5: Solve for x
    x = 2,905,348,154.48/61,473.28
  6. Step 6: Final answer
    x = 47,261.97

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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.