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Finding the Fourth Proportional to 16,732.80, 25,101.03 and 7,368.78

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Solution

The fourth proportional to 16,732.80, 25,101.03 and 7,368.78 is: 11,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,732.80 : 25,101.03 = 7,368.78 : x
  2. Step 2: Convert to fraction form
    16,732.80/25,101.03 = 7,368.78/x
  3. Step 3: Cross multiply
    16,732.80x = 25,101.03 × 7,368.78
  4. Step 4: Simplify right side
    16,732.80x = 184,963,967.84
  5. Step 5: Solve for x
    x = 184,963,967.84/16,732.80
  6. Step 6: Final answer
    x = 11,053.98

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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.