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Finding the Fourth Proportional to 63,590.96, 87,737.52 and 40,943.06

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Solution

The fourth proportional to 63,590.96, 87,737.52 and 40,943.06 is: 56,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,590.96 : 87,737.52 = 40,943.06 : x
  2. Step 2: Convert to fraction form
    63,590.96/87,737.52 = 40,943.06/x
  3. Step 3: Cross multiply
    63,590.96x = 87,737.52 × 40,943.06
  4. Step 4: Simplify right side
    63,590.96x = 3,592,242,106.92
  5. Step 5: Solve for x
    x = 3,592,242,106.92/63,590.96
  6. Step 6: Final answer
    x = 56,489.83

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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.