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Finding the Fourth Proportional to 8,842.32, 13,263.48 and 2,998.98

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Solution

The fourth proportional to 8,842.32, 13,263.48 and 2,998.98 is: 4,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.32 : 13,263.48 = 2,998.98 : x
  2. Step 2: Convert to fraction form
    8,842.32/13,263.48 = 2,998.98/x
  3. Step 3: Cross multiply
    8,842.32x = 13,263.48 × 2,998.98
  4. Step 4: Simplify right side
    8,842.32x = 39,776,911.25
  5. Step 5: Solve for x
    x = 39,776,911.25/8,842.32
  6. Step 6: Final answer
    x = 4,498.47

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Similar ratio
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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.