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Finding the Fourth Proportional to 8,062.58, 12,079.55 and 6,880.59

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Solution

The fourth proportional to 8,062.58, 12,079.55 and 6,880.59 is: 10,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.58 : 12,079.55 = 6,880.59 : x
  2. Step 2: Convert to fraction form
    8,062.58/12,079.55 = 6,880.59/x
  3. Step 3: Cross multiply
    8,062.58x = 12,079.55 × 6,880.59
  4. Step 4: Simplify right side
    8,062.58x = 83,114,430.93
  5. Step 5: Solve for x
    x = 83,114,430.93/8,062.58
  6. Step 6: Final answer
    x = 10,308.66

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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.