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Finding the Fourth Proportional to 14,572.98, 21,854.88 and 4,709.88

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Solution

The fourth proportional to 14,572.98, 21,854.88 and 4,709.88 is: 7,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.98 : 21,854.88 = 4,709.88 : x
  2. Step 2: Convert to fraction form
    14,572.98/21,854.88 = 4,709.88/x
  3. Step 3: Cross multiply
    14,572.98x = 21,854.88 × 4,709.88
  4. Step 4: Simplify right side
    14,572.98x = 102,933,862.21
  5. Step 5: Solve for x
    x = 102,933,862.21/14,572.98
  6. Step 6: Final answer
    x = 7,063.34

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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.