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Finding the Fourth Proportional to 6,672.17, 9,988.21 and 6,513.01

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Solution

The fourth proportional to 6,672.17, 9,988.21 and 6,513.01 is: 9,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.17 : 9,988.21 = 6,513.01 : x
  2. Step 2: Convert to fraction form
    6,672.17/9,988.21 = 6,513.01/x
  3. Step 3: Cross multiply
    6,672.17x = 9,988.21 × 6,513.01
  4. Step 4: Simplify right side
    6,672.17x = 65,053,294.78
  5. Step 5: Solve for x
    x = 65,053,294.78/6,672.17
  6. Step 6: Final answer
    x = 9,749.94

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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.