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Finding the Fourth Proportional to 9,966.48, 14,950.79 and 3,729.48

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Solution

The fourth proportional to 9,966.48, 14,950.79 and 3,729.48 is: 5,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.48 : 14,950.79 = 3,729.48 : x
  2. Step 2: Convert to fraction form
    9,966.48/14,950.79 = 3,729.48/x
  3. Step 3: Cross multiply
    9,966.48x = 14,950.79 × 3,729.48
  4. Step 4: Simplify right side
    9,966.48x = 55,758,672.29
  5. Step 5: Solve for x
    x = 55,758,672.29/9,966.48
  6. Step 6: Final answer
    x = 5,594.62

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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.