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Finding the Fourth Proportional to 7,041.60, 9,713.70 and 5,250.96

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Solution

The fourth proportional to 7,041.60, 9,713.70 and 5,250.96 is: 7,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.60 : 9,713.70 = 5,250.96 : x
  2. Step 2: Convert to fraction form
    7,041.60/9,713.70 = 5,250.96/x
  3. Step 3: Cross multiply
    7,041.60x = 9,713.70 × 5,250.96
  4. Step 4: Simplify right side
    7,041.60x = 51,006,250.15
  5. Step 5: Solve for x
    x = 51,006,250.15/7,041.60
  6. Step 6: Final answer
    x = 7,243.56

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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.