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Finding the Fourth Proportional to 52,864.28, 79,294.89 and 19,583.60

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Solution

The fourth proportional to 52,864.28, 79,294.89 and 19,583.60 is: 29,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,864.28 : 79,294.89 = 19,583.60 : x
  2. Step 2: Convert to fraction form
    52,864.28/79,294.89 = 19,583.60/x
  3. Step 3: Cross multiply
    52,864.28x = 79,294.89 × 19,583.60
  4. Step 4: Simplify right side
    52,864.28x = 1,552,879,407.80
  5. Step 5: Solve for x
    x = 1,552,879,407.80/52,864.28
  6. Step 6: Final answer
    x = 29,374.84

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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.