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Finding the Fourth Proportional to 14,472.88, 19,988.98 and 9,748.96

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Solution

The fourth proportional to 14,472.88, 19,988.98 and 9,748.96 is: 13,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.88 : 19,988.98 = 9,748.96 : x
  2. Step 2: Convert to fraction form
    14,472.88/19,988.98 = 9,748.96/x
  3. Step 3: Cross multiply
    14,472.88x = 19,988.98 × 9,748.96
  4. Step 4: Simplify right side
    14,472.88x = 194,871,766.46
  5. Step 5: Solve for x
    x = 194,871,766.46/14,472.88
  6. Step 6: Final answer
    x = 13,464.62

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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.