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Finding the Fourth Proportional to 8,760.44, 12,068.24 and 7,497.45

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Solution

The fourth proportional to 8,760.44, 12,068.24 and 7,497.45 is: 10,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.44 : 12,068.24 = 7,497.45 : x
  2. Step 2: Convert to fraction form
    8,760.44/12,068.24 = 7,497.45/x
  3. Step 3: Cross multiply
    8,760.44x = 12,068.24 × 7,497.45
  4. Step 4: Simplify right side
    8,760.44x = 90,480,988.50
  5. Step 5: Solve for x
    x = 90,480,988.50/8,760.44
  6. Step 6: Final answer
    x = 10,328.37

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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.