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Finding the Fourth Proportional to 16,603.80, 24,905.70 and 15,838.35

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Solution

The fourth proportional to 16,603.80, 24,905.70 and 15,838.35 is: 23,757.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.80 : 24,905.70 = 15,838.35 : x
  2. Step 2: Convert to fraction form
    16,603.80/24,905.70 = 15,838.35/x
  3. Step 3: Cross multiply
    16,603.80x = 24,905.70 × 15,838.35
  4. Step 4: Simplify right side
    16,603.80x = 394,465,193.60
  5. Step 5: Solve for x
    x = 394,465,193.60/16,603.80
  6. Step 6: Final answer
    x = 23,757.53

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1.5x scale

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.