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Finding the Fourth Proportional to 8,834.48, 12,192.68 and 5,108.48

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Solution

The fourth proportional to 8,834.48, 12,192.68 and 5,108.48 is: 7,050.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.48 : 12,192.68 = 5,108.48 : x
  2. Step 2: Convert to fraction form
    8,834.48/12,192.68 = 5,108.48/x
  3. Step 3: Cross multiply
    8,834.48x = 12,192.68 × 5,108.48
  4. Step 4: Simplify right side
    8,834.48x = 62,286,061.93
  5. Step 5: Solve for x
    x = 62,286,061.93/8,834.48
  6. Step 6: Final answer
    x = 7,050.34

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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.