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Finding the Fourth Proportional to 14,802.88, 20,404.96 and 10,079.04

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Solution

The fourth proportional to 14,802.88, 20,404.96 and 10,079.04 is: 13,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,802.88 : 20,404.96 = 10,079.04 : x
  2. Step 2: Convert to fraction form
    14,802.88/20,404.96 = 10,079.04/x
  3. Step 3: Cross multiply
    14,802.88x = 20,404.96 × 10,079.04
  4. Step 4: Simplify right side
    14,802.88x = 205,662,408.04
  5. Step 5: Solve for x
    x = 205,662,408.04/14,802.88
  6. Step 6: Final answer
    x = 13,893.41

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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.