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Finding the Fourth Proportional to 6,657.96, 9,988.13 and 2,274.39

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Solution

The fourth proportional to 6,657.96, 9,988.13 and 2,274.39 is: 3,411.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.96 : 9,988.13 = 2,274.39 : x
  2. Step 2: Convert to fraction form
    6,657.96/9,988.13 = 2,274.39/x
  3. Step 3: Cross multiply
    6,657.96x = 9,988.13 × 2,274.39
  4. Step 4: Simplify right side
    6,657.96x = 22,716,902.99
  5. Step 5: Solve for x
    x = 22,716,902.99/6,657.96
  6. Step 6: Final answer
    x = 3,411.99

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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.