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Finding the Fourth Proportional to 7,300.60, 10,948.20 and 2,370.40

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Solution

The fourth proportional to 7,300.60, 10,948.20 and 2,370.40 is: 3,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.60 : 10,948.20 = 2,370.40 : x
  2. Step 2: Convert to fraction form
    7,300.60/10,948.20 = 2,370.40/x
  3. Step 3: Cross multiply
    7,300.60x = 10,948.20 × 2,370.40
  4. Step 4: Simplify right side
    7,300.60x = 25,951,613.28
  5. Step 5: Solve for x
    x = 25,951,613.28/7,300.60
  6. Step 6: Final answer
    x = 3,554.72

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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.