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Finding the Fourth Proportional to 48,907, 67,497.06 and 27,686.08

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Solution

The fourth proportional to 48,907, 67,497.06 and 27,686.08 is: 38,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,907 : 67,497.06 = 27,686.08 : x
  2. Step 2: Convert to fraction form
    48,907/67,497.06 = 27,686.08/x
  3. Step 3: Cross multiply
    48,907x = 67,497.06 × 27,686.08
  4. Step 4: Simplify right side
    48,907x = 1,868,729,002.92
  5. Step 5: Solve for x
    x = 1,868,729,002.92/48,907
  6. Step 6: Final answer
    x = 38,209.85

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1.5x scale

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.