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Finding the Fourth Proportional to 48,681.70, 67,182.80 and 27,460.96

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Solution

The fourth proportional to 48,681.70, 67,182.80 and 27,460.96 is: 37,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,681.70 : 67,182.80 = 27,460.96 : x
  2. Step 2: Convert to fraction form
    48,681.70/67,182.80 = 27,460.96/x
  3. Step 3: Cross multiply
    48,681.70x = 67,182.80 × 27,460.96
  4. Step 4: Simplify right side
    48,681.70x = 1,844,904,183.49
  5. Step 5: Solve for x
    x = 1,844,904,183.49/48,681.70
  6. Step 6: Final answer
    x = 37,897.28

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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.