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Finding the Fourth Proportional to 63,304.83, 87,377.94 and 39,417.39

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Solution

The fourth proportional to 63,304.83, 87,377.94 and 39,417.39 is: 54,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,304.83 : 87,377.94 = 39,417.39 : x
  2. Step 2: Convert to fraction form
    63,304.83/87,377.94 = 39,417.39/x
  3. Step 3: Cross multiply
    63,304.83x = 87,377.94 × 39,417.39
  4. Step 4: Simplify right side
    63,304.83x = 3,444,210,338.38
  5. Step 5: Solve for x
    x = 3,444,210,338.38/63,304.83
  6. Step 6: Final answer
    x = 54,406.75

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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.