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Finding the Fourth Proportional to 61,304, 84,599.68 and 34,808

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Solution

The fourth proportional to 61,304, 84,599.68 and 34,808 is: 48,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,304 : 84,599.68 = 34,808 : x
  2. Step 2: Convert to fraction form
    61,304/84,599.68 = 34,808/x
  3. Step 3: Cross multiply
    61,304x = 84,599.68 × 34,808
  4. Step 4: Simplify right side
    61,304x = 2,944,745,661.44
  5. Step 5: Solve for x
    x = 2,944,745,661.44/61,304
  6. Step 6: Final answer
    x = 48,035.13

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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.