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Finding the Fourth Proportional to 75,055, 103,577.84 and 45,248.92

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Solution

The fourth proportional to 75,055, 103,577.84 and 45,248.92 is: 62,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,055 : 103,577.84 = 45,248.92 : x
  2. Step 2: Convert to fraction form
    75,055/103,577.84 = 45,248.92/x
  3. Step 3: Cross multiply
    75,055x = 103,577.84 × 45,248.92
  4. Step 4: Simplify right side
    75,055x = 4,686,785,395.93
  5. Step 5: Solve for x
    x = 4,686,785,395.93/75,055
  6. Step 6: Final answer
    x = 62,444.68

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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.