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Finding the Fourth Proportional to 8,828.79, 12,191.54 and 6,006.65

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Solution

The fourth proportional to 8,828.79, 12,191.54 and 6,006.65 is: 8,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.79 : 12,191.54 = 6,006.65 : x
  2. Step 2: Convert to fraction form
    8,828.79/12,191.54 = 6,006.65/x
  3. Step 3: Cross multiply
    8,828.79x = 12,191.54 × 6,006.65
  4. Step 4: Simplify right side
    8,828.79x = 73,230,222.75
  5. Step 5: Solve for x
    x = 73,230,222.75/8,828.79
  6. Step 6: Final answer
    x = 8,294.48

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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.