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Finding the Fourth Proportional to 49,335.88, 68,030.94 and 39,765.71

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Solution

The fourth proportional to 49,335.88, 68,030.94 and 39,765.71 is: 54,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,335.88 : 68,030.94 = 39,765.71 : x
  2. Step 2: Convert to fraction form
    49,335.88/68,030.94 = 39,765.71/x
  3. Step 3: Cross multiply
    49,335.88x = 68,030.94 × 39,765.71
  4. Step 4: Simplify right side
    49,335.88x = 2,705,298,290.91
  5. Step 5: Solve for x
    x = 2,705,298,290.91/49,335.88
  6. Step 6: Final answer
    x = 54,834.30

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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.