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Finding the Fourth Proportional to 14,760.03, 20,368.08 and 8,472

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Solution

The fourth proportional to 14,760.03, 20,368.08 and 8,472 is: 11,690.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.03 : 20,368.08 = 8,472 : x
  2. Step 2: Convert to fraction form
    14,760.03/20,368.08 = 8,472/x
  3. Step 3: Cross multiply
    14,760.03x = 20,368.08 × 8,472
  4. Step 4: Simplify right side
    14,760.03x = 172,558,373.76
  5. Step 5: Solve for x
    x = 172,558,373.76/14,760.03
  6. Step 6: Final answer
    x = 11,690.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.