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Finding the Fourth Proportional to 63,535.80, 87,680.94 and 35,242.68

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Solution

The fourth proportional to 63,535.80, 87,680.94 and 35,242.68 is: 48,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,535.80 : 87,680.94 = 35,242.68 : x
  2. Step 2: Convert to fraction form
    63,535.80/87,680.94 = 35,242.68/x
  3. Step 3: Cross multiply
    63,535.80x = 87,680.94 × 35,242.68
  4. Step 4: Simplify right side
    63,535.80x = 3,090,111,310.52
  5. Step 5: Solve for x
    x = 3,090,111,310.52/63,535.80
  6. Step 6: Final answer
    x = 48,635.75

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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.