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Finding the Fourth Proportional to 6,987.92, 10,482.92 and 2,308.43

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Solution

The fourth proportional to 6,987.92, 10,482.92 and 2,308.43 is: 3,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.92 : 10,482.92 = 2,308.43 : x
  2. Step 2: Convert to fraction form
    6,987.92/10,482.92 = 2,308.43/x
  3. Step 3: Cross multiply
    6,987.92x = 10,482.92 × 2,308.43
  4. Step 4: Simplify right side
    6,987.92x = 24,199,023.06
  5. Step 5: Solve for x
    x = 24,199,023.06/6,987.92
  6. Step 6: Final answer
    x = 3,462.98

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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.