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Finding the Fourth Proportional to 9,325.92, 13,990.80 and 2,751.48

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Solution

The fourth proportional to 9,325.92, 13,990.80 and 2,751.48 is: 4,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.92 : 13,990.80 = 2,751.48 : x
  2. Step 2: Convert to fraction form
    9,325.92/13,990.80 = 2,751.48/x
  3. Step 3: Cross multiply
    9,325.92x = 13,990.80 × 2,751.48
  4. Step 4: Simplify right side
    9,325.92x = 38,495,406.38
  5. Step 5: Solve for x
    x = 38,495,406.38/9,325.92
  6. Step 6: Final answer
    x = 4,127.79

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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.