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Finding the Fourth Proportional to 8,842.59, 13,263.55 and 2,999.20

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Solution

The fourth proportional to 8,842.59, 13,263.55 and 2,999.20 is: 4,498.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.59 : 13,263.55 = 2,999.20 : x
  2. Step 2: Convert to fraction form
    8,842.59/13,263.55 = 2,999.20/x
  3. Step 3: Cross multiply
    8,842.59x = 13,263.55 × 2,999.20
  4. Step 4: Simplify right side
    8,842.59x = 39,780,039.16
  5. Step 5: Solve for x
    x = 39,780,039.16/8,842.59
  6. Step 6: Final answer
    x = 4,498.69

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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.