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Finding the Fourth Proportional to 9,300.76, 13,951.12 and 2,726.76

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Solution

The fourth proportional to 9,300.76, 13,951.12 and 2,726.76 is: 4,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,300.76 : 13,951.12 = 2,726.76 : x
  2. Step 2: Convert to fraction form
    9,300.76/13,951.12 = 2,726.76/x
  3. Step 3: Cross multiply
    9,300.76x = 13,951.12 × 2,726.76
  4. Step 4: Simplify right side
    9,300.76x = 38,041,355.97
  5. Step 5: Solve for x
    x = 38,041,355.97/9,300.76
  6. Step 6: Final answer
    x = 4,090.13

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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.