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Finding the Fourth Proportional to 63,641.58, 87,829.34 and 35,347.20

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Solution

The fourth proportional to 63,641.58, 87,829.34 and 35,347.20 is: 48,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,641.58 : 87,829.34 = 35,347.20 : x
  2. Step 2: Convert to fraction form
    63,641.58/87,829.34 = 35,347.20/x
  3. Step 3: Cross multiply
    63,641.58x = 87,829.34 × 35,347.20
  4. Step 4: Simplify right side
    63,641.58x = 3,104,521,246.85
  5. Step 5: Solve for x
    x = 3,104,521,246.85/63,641.58
  6. Step 6: Final answer
    x = 48,781.34

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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.