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Finding the Fourth Proportional to 56,438.39, 77,869.22 and 44,464.56

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Solution

The fourth proportional to 56,438.39, 77,869.22 and 44,464.56 is: 61,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,438.39 : 77,869.22 = 44,464.56 : x
  2. Step 2: Convert to fraction form
    56,438.39/77,869.22 = 44,464.56/x
  3. Step 3: Cross multiply
    56,438.39x = 77,869.22 × 44,464.56
  4. Step 4: Simplify right side
    56,438.39x = 3,462,420,382.52
  5. Step 5: Solve for x
    x = 3,462,420,382.52/56,438.39
  6. Step 6: Final answer
    x = 61,348.68

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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.