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Finding the Fourth Proportional to 63,622.80, 87,798.96 and 35,328.56

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Solution

The fourth proportional to 63,622.80, 87,798.96 and 35,328.56 is: 48,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,622.80 : 87,798.96 = 35,328.56 : x
  2. Step 2: Convert to fraction form
    63,622.80/87,798.96 = 35,328.56/x
  3. Step 3: Cross multiply
    63,622.80x = 87,798.96 × 35,328.56
  4. Step 4: Simplify right side
    63,622.80x = 3,101,810,826.30
  5. Step 5: Solve for x
    x = 3,101,810,826.30/63,622.80
  6. Step 6: Final answer
    x = 48,753.13

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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.