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Finding the Fourth Proportional to 12,227.59, 16,875.01 and 6,923.20

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Solution

The fourth proportional to 12,227.59, 16,875.01 and 6,923.20 is: 9,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.59 : 16,875.01 = 6,923.20 : x
  2. Step 2: Convert to fraction form
    12,227.59/16,875.01 = 6,923.20/x
  3. Step 3: Cross multiply
    12,227.59x = 16,875.01 × 6,923.20
  4. Step 4: Simplify right side
    12,227.59x = 116,829,034.62
  5. Step 5: Solve for x
    x = 116,829,034.62/12,227.59
  6. Step 6: Final answer
    x = 9,554.55

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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.