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Finding the Fourth Proportional to 9,304.47, 13,943.55 and 7,214.76

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Solution

The fourth proportional to 9,304.47, 13,943.55 and 7,214.76 is: 10,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304.47 : 13,943.55 = 7,214.76 : x
  2. Step 2: Convert to fraction form
    9,304.47/13,943.55 = 7,214.76/x
  3. Step 3: Cross multiply
    9,304.47x = 13,943.55 × 7,214.76
  4. Step 4: Simplify right side
    9,304.47x = 100,599,366.80
  5. Step 5: Solve for x
    x = 100,599,366.80/9,304.47
  6. Step 6: Final answer
    x = 10,811.94

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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.