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Finding the Fourth Proportional to 16,762.66, 25,154.58 and 9,371.98

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Solution

The fourth proportional to 16,762.66, 25,154.58 and 9,371.98 is: 14,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762.66 : 25,154.58 = 9,371.98 : x
  2. Step 2: Convert to fraction form
    16,762.66/25,154.58 = 9,371.98/x
  3. Step 3: Cross multiply
    16,762.66x = 25,154.58 × 9,371.98
  4. Step 4: Simplify right side
    16,762.66x = 235,748,220.67
  5. Step 5: Solve for x
    x = 235,748,220.67/16,762.66
  6. Step 6: Final answer
    x = 14,063.89

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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.