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Finding the Fourth Proportional to 48,645.70, 67,130.17 and 27,424.98

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Solution

The fourth proportional to 48,645.70, 67,130.17 and 27,424.98 is: 37,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,645.70 : 67,130.17 = 27,424.98 : x
  2. Step 2: Convert to fraction form
    48,645.70/67,130.17 = 27,424.98/x
  3. Step 3: Cross multiply
    48,645.70x = 67,130.17 × 27,424.98
  4. Step 4: Simplify right side
    48,645.70x = 1,841,043,501.08
  5. Step 5: Solve for x
    x = 1,841,043,501.08/48,645.70
  6. Step 6: Final answer
    x = 37,845.97

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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.