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Finding the Fourth Proportional to 6,679.61, 10,070.13 and 6,322.40

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Solution

The fourth proportional to 6,679.61, 10,070.13 and 6,322.40 is: 9,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.61 : 10,070.13 = 6,322.40 : x
  2. Step 2: Convert to fraction form
    6,679.61/10,070.13 = 6,322.40/x
  3. Step 3: Cross multiply
    6,679.61x = 10,070.13 × 6,322.40
  4. Step 4: Simplify right side
    6,679.61x = 63,667,389.91
  5. Step 5: Solve for x
    x = 63,667,389.91/6,679.61
  6. Step 6: Final answer
    x = 9,531.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.