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Finding the Fourth Proportional to 8,752.13, 12,078.26 and 4,975.93

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Solution

The fourth proportional to 8,752.13, 12,078.26 and 4,975.93 is: 6,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.13 : 12,078.26 = 4,975.93 : x
  2. Step 2: Convert to fraction form
    8,752.13/12,078.26 = 4,975.93/x
  3. Step 3: Cross multiply
    8,752.13x = 12,078.26 × 4,975.93
  4. Step 4: Simplify right side
    8,752.13x = 60,100,576.28
  5. Step 5: Solve for x
    x = 60,100,576.28/8,752.13
  6. Step 6: Final answer
    x = 6,866.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.