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Finding the Fourth Proportional to 82,637.86, 123,964.99 and 26,463.86

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Solution

The fourth proportional to 82,637.86, 123,964.99 and 26,463.86 is: 39,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,637.86 : 123,964.99 = 26,463.86 : x
  2. Step 2: Convert to fraction form
    82,637.86/123,964.99 = 26,463.86/x
  3. Step 3: Cross multiply
    82,637.86x = 123,964.99 × 26,463.86
  4. Step 4: Simplify right side
    82,637.86x = 3,280,592,140.26
  5. Step 5: Solve for x
    x = 3,280,592,140.26/82,637.86
  6. Step 6: Final answer
    x = 39,698.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.