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Finding the Fourth Proportional to 8,392.92, 12,570.23 and 4,013.47

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Solution

The fourth proportional to 8,392.92, 12,570.23 and 4,013.47 is: 6,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.92 : 12,570.23 = 4,013.47 : x
  2. Step 2: Convert to fraction form
    8,392.92/12,570.23 = 4,013.47/x
  3. Step 3: Cross multiply
    8,392.92x = 12,570.23 × 4,013.47
  4. Step 4: Simplify right side
    8,392.92x = 50,450,220.93
  5. Step 5: Solve for x
    x = 50,450,220.93/8,392.92
  6. Step 6: Final answer
    x = 6,011.05

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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.