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Finding the Fourth Proportional to 16,388.65, 24,583.11 and 4,702.24

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Solution

The fourth proportional to 16,388.65, 24,583.11 and 4,702.24 is: 7,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.65 : 24,583.11 = 4,702.24 : x
  2. Step 2: Convert to fraction form
    16,388.65/24,583.11 = 4,702.24/x
  3. Step 3: Cross multiply
    16,388.65x = 24,583.11 × 4,702.24
  4. Step 4: Simplify right side
    16,388.65x = 115,595,683.17
  5. Step 5: Solve for x
    x = 115,595,683.17/16,388.65
  6. Step 6: Final answer
    x = 7,053.40

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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.