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Finding the Fourth Proportional to 67,490, 101,240.04 and 25,937.36

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Solution

The fourth proportional to 67,490, 101,240.04 and 25,937.36 is: 38,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,490 : 101,240.04 = 25,937.36 : x
  2. Step 2: Convert to fraction form
    67,490/101,240.04 = 25,937.36/x
  3. Step 3: Cross multiply
    67,490x = 101,240.04 × 25,937.36
  4. Step 4: Simplify right side
    67,490x = 2,625,899,363.89
  5. Step 5: Solve for x
    x = 2,625,899,363.89/67,490
  6. Step 6: Final answer
    x = 38,907.98

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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.