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Finding the Fourth Proportional to 9,660.10, 14,494.20 and 7,216.13

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Solution

The fourth proportional to 9,660.10, 14,494.20 and 7,216.13 is: 10,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.10 : 14,494.20 = 7,216.13 : x
  2. Step 2: Convert to fraction form
    9,660.10/14,494.20 = 7,216.13/x
  3. Step 3: Cross multiply
    9,660.10x = 14,494.20 × 7,216.13
  4. Step 4: Simplify right side
    9,660.10x = 104,592,031.45
  5. Step 5: Solve for x
    x = 104,592,031.45/9,660.10
  6. Step 6: Final answer
    x = 10,827.22

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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.