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Finding the Fourth Proportional to 13,341.80, 20,014.52 and 4,579.16

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Solution

The fourth proportional to 13,341.80, 20,014.52 and 4,579.16 is: 6,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.80 : 20,014.52 = 4,579.16 : x
  2. Step 2: Convert to fraction form
    13,341.80/20,014.52 = 4,579.16/x
  3. Step 3: Cross multiply
    13,341.80x = 20,014.52 × 4,579.16
  4. Step 4: Simplify right side
    13,341.80x = 91,649,689.40
  5. Step 5: Solve for x
    x = 91,649,689.40/13,341.80
  6. Step 6: Final answer
    x = 6,869.36

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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.