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Finding the Fourth Proportional to 8,943.04, 12,344.71 and 7,679.02

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Solution

The fourth proportional to 8,943.04, 12,344.71 and 7,679.02 is: 10,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.04 : 12,344.71 = 7,679.02 : x
  2. Step 2: Convert to fraction form
    8,943.04/12,344.71 = 7,679.02/x
  3. Step 3: Cross multiply
    8,943.04x = 12,344.71 × 7,679.02
  4. Step 4: Simplify right side
    8,943.04x = 94,795,255.79
  5. Step 5: Solve for x
    x = 94,795,255.79/8,943.04
  6. Step 6: Final answer
    x = 10,599.89

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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.