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Finding the Fourth Proportional to 9,952.85, 13,736.89 and 5,706.76

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Solution

The fourth proportional to 9,952.85, 13,736.89 and 5,706.76 is: 7,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,952.85 : 13,736.89 = 5,706.76 : x
  2. Step 2: Convert to fraction form
    9,952.85/13,736.89 = 5,706.76/x
  3. Step 3: Cross multiply
    9,952.85x = 13,736.89 × 5,706.76
  4. Step 4: Simplify right side
    9,952.85x = 78,393,134.38
  5. Step 5: Solve for x
    x = 78,393,134.38/9,952.85
  6. Step 6: Final answer
    x = 7,876.45

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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.