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Finding the Fourth Proportional to 48,776, 67,320.64 and 27,555.52

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Solution

The fourth proportional to 48,776, 67,320.64 and 27,555.52 is: 38,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,776 : 67,320.64 = 27,555.52 : x
  2. Step 2: Convert to fraction form
    48,776/67,320.64 = 27,555.52/x
  3. Step 3: Cross multiply
    48,776x = 67,320.64 × 27,555.52
  4. Step 4: Simplify right side
    48,776x = 1,855,055,241.93
  5. Step 5: Solve for x
    x = 1,855,055,241.93/48,776
  6. Step 6: Final answer
    x = 38,032.13

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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.