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Finding the Fourth Proportional to 8,417.52, 12,675.69 and 7,334.55

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Solution

The fourth proportional to 8,417.52, 12,675.69 and 7,334.55 is: 11,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.52 : 12,675.69 = 7,334.55 : x
  2. Step 2: Convert to fraction form
    8,417.52/12,675.69 = 7,334.55/x
  3. Step 3: Cross multiply
    8,417.52x = 12,675.69 × 7,334.55
  4. Step 4: Simplify right side
    8,417.52x = 92,970,482.09
  5. Step 5: Solve for x
    x = 92,970,482.09/8,417.52
  6. Step 6: Final answer
    x = 11,044.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.