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Finding the Fourth Proportional to 16,702.60, 24,989.10 and 10,870.60

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Solution

The fourth proportional to 16,702.60, 24,989.10 and 10,870.60 is: 16,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702.60 : 24,989.10 = 10,870.60 : x
  2. Step 2: Convert to fraction form
    16,702.60/24,989.10 = 10,870.60/x
  3. Step 3: Cross multiply
    16,702.60x = 24,989.10 × 10,870.60
  4. Step 4: Simplify right side
    16,702.60x = 271,646,510.46
  5. Step 5: Solve for x
    x = 271,646,510.46/16,702.60
  6. Step 6: Final answer
    x = 16,263.73

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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.