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Finding the Fourth Proportional to 8,394.77, 12,592.23 and 2,848.20

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Solution

The fourth proportional to 8,394.77, 12,592.23 and 2,848.20 is: 4,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.77 : 12,592.23 = 2,848.20 : x
  2. Step 2: Convert to fraction form
    8,394.77/12,592.23 = 2,848.20/x
  3. Step 3: Cross multiply
    8,394.77x = 12,592.23 × 2,848.20
  4. Step 4: Simplify right side
    8,394.77x = 35,865,131.58
  5. Step 5: Solve for x
    x = 35,865,131.58/8,394.77
  6. Step 6: Final answer
    x = 4,272.32

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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.