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Finding the Fourth Proportional to 14,503.66, 21,750.89 and 8,948.68

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Solution

The fourth proportional to 14,503.66, 21,750.89 and 8,948.68 is: 13,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503.66 : 21,750.89 = 8,948.68 : x
  2. Step 2: Convert to fraction form
    14,503.66/21,750.89 = 8,948.68/x
  3. Step 3: Cross multiply
    14,503.66x = 21,750.89 × 8,948.68
  4. Step 4: Simplify right side
    14,503.66x = 194,641,754.33
  5. Step 5: Solve for x
    x = 194,641,754.33/14,503.66
  6. Step 6: Final answer
    x = 13,420.18

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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.