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Finding the Fourth Proportional to 9,966.92, 14,951.08 and 3,303.42

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Solution

The fourth proportional to 9,966.92, 14,951.08 and 3,303.42 is: 4,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.92 : 14,951.08 = 3,303.42 : x
  2. Step 2: Convert to fraction form
    9,966.92/14,951.08 = 3,303.42/x
  3. Step 3: Cross multiply
    9,966.92x = 14,951.08 × 3,303.42
  4. Step 4: Simplify right side
    9,966.92x = 49,389,696.69
  5. Step 5: Solve for x
    x = 49,389,696.69/9,966.92
  6. Step 6: Final answer
    x = 4,955.36

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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.