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Finding the Fourth Proportional to 52,583.70, 72,565.86 and 28,710.54

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Solution

The fourth proportional to 52,583.70, 72,565.86 and 28,710.54 is: 39,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,583.70 : 72,565.86 = 28,710.54 : x
  2. Step 2: Convert to fraction form
    52,583.70/72,565.86 = 28,710.54/x
  3. Step 3: Cross multiply
    52,583.70x = 72,565.86 × 28,710.54
  4. Step 4: Simplify right side
    52,583.70x = 2,083,405,026.16
  5. Step 5: Solve for x
    x = 2,083,405,026.16/52,583.70
  6. Step 6: Final answer
    x = 39,620.74

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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.