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Finding the Fourth Proportional to 8,842.58, 12,202.95 and 4,863.89

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Solution

The fourth proportional to 8,842.58, 12,202.95 and 4,863.89 is: 6,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.58 : 12,202.95 = 4,863.89 : x
  2. Step 2: Convert to fraction form
    8,842.58/12,202.95 = 4,863.89/x
  3. Step 3: Cross multiply
    8,842.58x = 12,202.95 × 4,863.89
  4. Step 4: Simplify right side
    8,842.58x = 59,353,855.22
  5. Step 5: Solve for x
    x = 59,353,855.22/8,842.58
  6. Step 6: Final answer
    x = 6,712.28

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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.