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Finding the Fourth Proportional to 9,312.03, 13,951.71 and 7,761.96

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Solution

The fourth proportional to 9,312.03, 13,951.71 and 7,761.96 is: 11,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.03 : 13,951.71 = 7,761.96 : x
  2. Step 2: Convert to fraction form
    9,312.03/13,951.71 = 7,761.96/x
  3. Step 3: Cross multiply
    9,312.03x = 13,951.71 × 7,761.96
  4. Step 4: Simplify right side
    9,312.03x = 108,292,614.95
  5. Step 5: Solve for x
    x = 108,292,614.95/9,312.03
  6. Step 6: Final answer
    x = 11,629.32

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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.