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Finding the Fourth Proportional to 52,584.78, 72,563.78 and 28,710.02

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Solution

The fourth proportional to 52,584.78, 72,563.78 and 28,710.02 is: 39,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,584.78 : 72,563.78 = 28,710.02 : x
  2. Step 2: Convert to fraction form
    52,584.78/72,563.78 = 28,710.02/x
  3. Step 3: Cross multiply
    52,584.78x = 72,563.78 × 28,710.02
  4. Step 4: Simplify right side
    52,584.78x = 2,083,307,575.08
  5. Step 5: Solve for x
    x = 2,083,307,575.08/52,584.78
  6. Step 6: Final answer
    x = 39,618.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.