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Finding the Fourth Proportional to 7,598.78, 11,360.70 and 6,441.70

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Solution

The fourth proportional to 7,598.78, 11,360.70 and 6,441.70 is: 9,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,598.78 : 11,360.70 = 6,441.70 : x
  2. Step 2: Convert to fraction form
    7,598.78/11,360.70 = 6,441.70/x
  3. Step 3: Cross multiply
    7,598.78x = 11,360.70 × 6,441.70
  4. Step 4: Simplify right side
    7,598.78x = 73,182,221.19
  5. Step 5: Solve for x
    x = 73,182,221.19/7,598.78
  6. Step 6: Final answer
    x = 9,630.79

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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.