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Finding the Fourth Proportional to 7,339.76, 10,988.04 and 4,557.52

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Solution

The fourth proportional to 7,339.76, 10,988.04 and 4,557.52 is: 6,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.76 : 10,988.04 = 4,557.52 : x
  2. Step 2: Convert to fraction form
    7,339.76/10,988.04 = 4,557.52/x
  3. Step 3: Cross multiply
    7,339.76x = 10,988.04 × 4,557.52
  4. Step 4: Simplify right side
    7,339.76x = 50,078,212.06
  5. Step 5: Solve for x
    x = 50,078,212.06/7,339.76
  6. Step 6: Final answer
    x = 6,822.87

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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.