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Finding the Fourth Proportional to 7,559.56, 10,437.28 and 6,760.40

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Solution

The fourth proportional to 7,559.56, 10,437.28 and 6,760.40 is: 9,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.56 : 10,437.28 = 6,760.40 : x
  2. Step 2: Convert to fraction form
    7,559.56/10,437.28 = 6,760.40/x
  3. Step 3: Cross multiply
    7,559.56x = 10,437.28 × 6,760.40
  4. Step 4: Simplify right side
    7,559.56x = 70,560,187.71
  5. Step 5: Solve for x
    x = 70,560,187.71/7,559.56
  6. Step 6: Final answer
    x = 9,333.90

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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.