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Finding the Fourth Proportional to 6,958.80, 10,437.48 and 6,552.72

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Solution

The fourth proportional to 6,958.80, 10,437.48 and 6,552.72 is: 9,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,958.80 : 10,437.48 = 6,552.72 : x
  2. Step 2: Convert to fraction form
    6,958.80/10,437.48 = 6,552.72/x
  3. Step 3: Cross multiply
    6,958.80x = 10,437.48 × 6,552.72
  4. Step 4: Simplify right side
    6,958.80x = 68,393,883.95
  5. Step 5: Solve for x
    x = 68,393,883.95/6,958.80
  6. Step 6: Final answer
    x = 9,828.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.