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Finding the Fourth Proportional to 6,715.14, 10,005.23 and 6,337.88

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Solution

The fourth proportional to 6,715.14, 10,005.23 and 6,337.88 is: 9,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.14 : 10,005.23 = 6,337.88 : x
  2. Step 2: Convert to fraction form
    6,715.14/10,005.23 = 6,337.88/x
  3. Step 3: Cross multiply
    6,715.14x = 10,005.23 × 6,337.88
  4. Step 4: Simplify right side
    6,715.14x = 63,411,865.40
  5. Step 5: Solve for x
    x = 63,411,865.40/6,715.14
  6. Step 6: Final answer
    x = 9,443.12

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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.