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Finding the Fourth Proportional to 8,608.07, 12,910.40 and 2,366.47

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Solution

The fourth proportional to 8,608.07, 12,910.40 and 2,366.47 is: 3,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.07 : 12,910.40 = 2,366.47 : x
  2. Step 2: Convert to fraction form
    8,608.07/12,910.40 = 2,366.47/x
  3. Step 3: Cross multiply
    8,608.07x = 12,910.40 × 2,366.47
  4. Step 4: Simplify right side
    8,608.07x = 30,552,036.10
  5. Step 5: Solve for x
    x = 30,552,036.10/8,608.07
  6. Step 6: Final answer
    x = 3,549.23

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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.