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Finding the Fourth Proportional to 63,648.80, 87,832.84 and 35,356.28

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Solution

The fourth proportional to 63,648.80, 87,832.84 and 35,356.28 is: 48,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,648.80 : 87,832.84 = 35,356.28 : x
  2. Step 2: Convert to fraction form
    63,648.80/87,832.84 = 35,356.28/x
  3. Step 3: Cross multiply
    63,648.80x = 87,832.84 × 35,356.28
  4. Step 4: Simplify right side
    63,648.80x = 3,105,442,484.24
  5. Step 5: Solve for x
    x = 3,105,442,484.24/63,648.80
  6. Step 6: Final answer
    x = 48,790.28

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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.