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Finding the Fourth Proportional to 63,061.99, 87,026.19 and 34,768.69

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Solution

The fourth proportional to 63,061.99, 87,026.19 and 34,768.69 is: 47,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,061.99 : 87,026.19 = 34,768.69 : x
  2. Step 2: Convert to fraction form
    63,061.99/87,026.19 = 34,768.69/x
  3. Step 3: Cross multiply
    63,061.99x = 87,026.19 × 34,768.69
  4. Step 4: Simplify right side
    63,061.99x = 3,025,786,621.99
  5. Step 5: Solve for x
    x = 3,025,786,621.99/63,061.99
  6. Step 6: Final answer
    x = 47,981.15

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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.