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Finding the Fourth Proportional to 7,323.08, 10,978.11 and 2,937.56

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Solution

The fourth proportional to 7,323.08, 10,978.11 and 2,937.56 is: 4,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.08 : 10,978.11 = 2,937.56 : x
  2. Step 2: Convert to fraction form
    7,323.08/10,978.11 = 2,937.56/x
  3. Step 3: Cross multiply
    7,323.08x = 10,978.11 × 2,937.56
  4. Step 4: Simplify right side
    7,323.08x = 32,248,801.92
  5. Step 5: Solve for x
    x = 32,248,801.92/7,323.08
  6. Step 6: Final answer
    x = 4,403.72

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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.