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Finding the Fourth Proportional to 6,708.21, 10,013.43 and 6,214.11

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Solution

The fourth proportional to 6,708.21, 10,013.43 and 6,214.11 is: 9,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,708.21 : 10,013.43 = 6,214.11 : x
  2. Step 2: Convert to fraction form
    6,708.21/10,013.43 = 6,214.11/x
  3. Step 3: Cross multiply
    6,708.21x = 10,013.43 × 6,214.11
  4. Step 4: Simplify right side
    6,708.21x = 62,224,555.50
  5. Step 5: Solve for x
    x = 62,224,555.50/6,708.21
  6. Step 6: Final answer
    x = 9,275.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.