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Finding the Fourth Proportional to 48,751.30, 67,308.06 and 39,820.24

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Solution

The fourth proportional to 48,751.30, 67,308.06 and 39,820.24 is: 54,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,751.30 : 67,308.06 = 39,820.24 : x
  2. Step 2: Convert to fraction form
    48,751.30/67,308.06 = 39,820.24/x
  3. Step 3: Cross multiply
    48,751.30x = 67,308.06 × 39,820.24
  4. Step 4: Simplify right side
    48,751.30x = 2,680,223,103.13
  5. Step 5: Solve for x
    x = 2,680,223,103.13/48,751.30
  6. Step 6: Final answer
    x = 54,977.47

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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.