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Finding the Fourth Proportional to 16,399.68, 24,599.70 and 4,713

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Solution

The fourth proportional to 16,399.68, 24,599.70 and 4,713 is: 7,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,399.68 : 24,599.70 = 4,713 : x
  2. Step 2: Convert to fraction form
    16,399.68/24,599.70 = 4,713/x
  3. Step 3: Cross multiply
    16,399.68x = 24,599.70 × 4,713
  4. Step 4: Simplify right side
    16,399.68x = 115,938,386.10
  5. Step 5: Solve for x
    x = 115,938,386.10/16,399.68
  6. Step 6: Final answer
    x = 7,069.55

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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.