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Finding the Fourth Proportional to 7,013.88, 9,666.88 and 6,240.94

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Solution

The fourth proportional to 7,013.88, 9,666.88 and 6,240.94 is: 8,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.88 : 9,666.88 = 6,240.94 : x
  2. Step 2: Convert to fraction form
    7,013.88/9,666.88 = 6,240.94/x
  3. Step 3: Cross multiply
    7,013.88x = 9,666.88 × 6,240.94
  4. Step 4: Simplify right side
    7,013.88x = 60,330,378.30
  5. Step 5: Solve for x
    x = 60,330,378.30/7,013.88
  6. Step 6: Final answer
    x = 8,601.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.