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Finding the Fourth Proportional to 18,283.98, 27,462.87 and 10,902.90

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Solution

The fourth proportional to 18,283.98, 27,462.87 and 10,902.90 is: 16,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.98 : 27,462.87 = 10,902.90 : x
  2. Step 2: Convert to fraction form
    18,283.98/27,462.87 = 10,902.90/x
  3. Step 3: Cross multiply
    18,283.98x = 27,462.87 × 10,902.90
  4. Step 4: Simplify right side
    18,283.98x = 299,424,925.32
  5. Step 5: Solve for x
    x = 299,424,925.32/18,283.98
  6. Step 6: Final answer
    x = 16,376.35

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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.