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Finding the Fourth Proportional to 7,348, 11,006.40 and 5,501.92

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Solution

The fourth proportional to 7,348, 11,006.40 and 5,501.92 is: 8,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348 : 11,006.40 = 5,501.92 : x
  2. Step 2: Convert to fraction form
    7,348/11,006.40 = 5,501.92/x
  3. Step 3: Cross multiply
    7,348x = 11,006.40 × 5,501.92
  4. Step 4: Simplify right side
    7,348x = 60,556,332.29
  5. Step 5: Solve for x
    x = 60,556,332.29/7,348
  6. Step 6: Final answer
    x = 8,241.20

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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.