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Finding the Fourth Proportional to 63,555.67, 87,703.84 and 34,874.68

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Solution

The fourth proportional to 63,555.67, 87,703.84 and 34,874.68 is: 48,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,555.67 : 87,703.84 = 34,874.68 : x
  2. Step 2: Convert to fraction form
    63,555.67/87,703.84 = 34,874.68/x
  3. Step 3: Cross multiply
    63,555.67x = 87,703.84 × 34,874.68
  4. Step 4: Simplify right side
    63,555.67x = 3,058,643,354.77
  5. Step 5: Solve for x
    x = 3,058,643,354.77/63,555.67
  6. Step 6: Final answer
    x = 48,125.42

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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.