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Finding the Fourth Proportional to 67,773.40, 101,587.20 and 25,637.20

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Solution

The fourth proportional to 67,773.40, 101,587.20 and 25,637.20 is: 38,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,773.40 : 101,587.20 = 25,637.20 : x
  2. Step 2: Convert to fraction form
    67,773.40/101,587.20 = 25,637.20/x
  3. Step 3: Cross multiply
    67,773.40x = 101,587.20 × 25,637.20
  4. Step 4: Simplify right side
    67,773.40x = 2,604,411,363.84
  5. Step 5: Solve for x
    x = 2,604,411,363.84/67,773.40
  6. Step 6: Final answer
    x = 38,428.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.