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Finding the Fourth Proportional to 9,672.13, 13,335.05 and 6,263.08

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Solution

The fourth proportional to 9,672.13, 13,335.05 and 6,263.08 is: 8,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.13 : 13,335.05 = 6,263.08 : x
  2. Step 2: Convert to fraction form
    9,672.13/13,335.05 = 6,263.08/x
  3. Step 3: Cross multiply
    9,672.13x = 13,335.05 × 6,263.08
  4. Step 4: Simplify right side
    9,672.13x = 83,518,469.55
  5. Step 5: Solve for x
    x = 83,518,469.55/9,672.13
  6. Step 6: Final answer
    x = 8,634.96

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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.