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Finding the Fourth Proportional to 8,393.38, 12,572.76 and 4,922.26

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Solution

The fourth proportional to 8,393.38, 12,572.76 and 4,922.26 is: 7,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.38 : 12,572.76 = 4,922.26 : x
  2. Step 2: Convert to fraction form
    8,393.38/12,572.76 = 4,922.26/x
  3. Step 3: Cross multiply
    8,393.38x = 12,572.76 × 4,922.26
  4. Step 4: Simplify right side
    8,393.38x = 61,886,393.64
  5. Step 5: Solve for x
    x = 61,886,393.64/8,393.38
  6. Step 6: Final answer
    x = 7,373.24

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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.