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Finding the Fourth Proportional to 14,278.62, 21,427.62 and 5,044.62

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Solution

The fourth proportional to 14,278.62, 21,427.62 and 5,044.62 is: 7,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.62 : 21,427.62 = 5,044.62 : x
  2. Step 2: Convert to fraction form
    14,278.62/21,427.62 = 5,044.62/x
  3. Step 3: Cross multiply
    14,278.62x = 21,427.62 × 5,044.62
  4. Step 4: Simplify right side
    14,278.62x = 108,094,200.40
  5. Step 5: Solve for x
    x = 108,094,200.40/14,278.62
  6. Step 6: Final answer
    x = 7,570.35

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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.