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Finding the Fourth Proportional to 48,172.77, 66,472.87 and 27,757.80

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Solution

The fourth proportional to 48,172.77, 66,472.87 and 27,757.80 is: 38,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,172.77 : 66,472.87 = 27,757.80 : x
  2. Step 2: Convert to fraction form
    48,172.77/66,472.87 = 27,757.80/x
  3. Step 3: Cross multiply
    48,172.77x = 66,472.87 × 27,757.80
  4. Step 4: Simplify right side
    48,172.77x = 1,845,140,862.81
  5. Step 5: Solve for x
    x = 1,845,140,862.81/48,172.77
  6. Step 6: Final answer
    x = 38,302.57

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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.