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Finding the Fourth Proportional to 3,624.66, 4,999.66 and 2,877.44

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Solution

The fourth proportional to 3,624.66, 4,999.66 and 2,877.44 is: 3,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.66 : 4,999.66 = 2,877.44 : x
  2. Step 2: Convert to fraction form
    3,624.66/4,999.66 = 2,877.44/x
  3. Step 3: Cross multiply
    3,624.66x = 4,999.66 × 2,877.44
  4. Step 4: Simplify right side
    3,624.66x = 14,386,221.67
  5. Step 5: Solve for x
    x = 14,386,221.67/3,624.66
  6. Step 6: Final answer
    x = 3,968.99

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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.