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Finding the Fourth Proportional to 7,491.81, 10,327.95 and 5,895.69

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Solution

The fourth proportional to 7,491.81, 10,327.95 and 5,895.69 is: 8,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.81 : 10,327.95 = 5,895.69 : x
  2. Step 2: Convert to fraction form
    7,491.81/10,327.95 = 5,895.69/x
  3. Step 3: Cross multiply
    7,491.81x = 10,327.95 × 5,895.69
  4. Step 4: Simplify right side
    7,491.81x = 60,890,391.54
  5. Step 5: Solve for x
    x = 60,890,391.54/7,491.81
  6. Step 6: Final answer
    x = 8,127.59

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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.