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Finding the Fourth Proportional to 8,759.24, 13,076.48 and 8,451.69

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Solution

The fourth proportional to 8,759.24, 13,076.48 and 8,451.69 is: 12,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.24 : 13,076.48 = 8,451.69 : x
  2. Step 2: Convert to fraction form
    8,759.24/13,076.48 = 8,451.69/x
  3. Step 3: Cross multiply
    8,759.24x = 13,076.48 × 8,451.69
  4. Step 4: Simplify right side
    8,759.24x = 110,518,341.47
  5. Step 5: Solve for x
    x = 110,518,341.47/8,759.24
  6. Step 6: Final answer
    x = 12,617.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.