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Finding the Fourth Proportional to 6,424.76, 9,617.69 and 5,938.76

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Solution

The fourth proportional to 6,424.76, 9,617.69 and 5,938.76 is: 8,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.76 : 9,617.69 = 5,938.76 : x
  2. Step 2: Convert to fraction form
    6,424.76/9,617.69 = 5,938.76/x
  3. Step 3: Cross multiply
    6,424.76x = 9,617.69 × 5,938.76
  4. Step 4: Simplify right side
    6,424.76x = 57,117,119.42
  5. Step 5: Solve for x
    x = 57,117,119.42/6,424.76
  6. Step 6: Final answer
    x = 8,890.16

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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.