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Finding the Fourth Proportional to 52,702.33, 79,084.62 and 19,445.62

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Solution

The fourth proportional to 52,702.33, 79,084.62 and 19,445.62 is: 29,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,702.33 : 79,084.62 = 19,445.62 : x
  2. Step 2: Convert to fraction form
    52,702.33/79,084.62 = 19,445.62/x
  3. Step 3: Cross multiply
    52,702.33x = 79,084.62 × 19,445.62
  4. Step 4: Simplify right side
    52,702.33x = 1,537,849,468.36
  5. Step 5: Solve for x
    x = 1,537,849,468.36/52,702.33
  6. Step 6: Final answer
    x = 29,179.91

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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.