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Finding the Fourth Proportional to 52,346.54, 78,489.95 and 35,726.69

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Solution

The fourth proportional to 52,346.54, 78,489.95 and 35,726.69 is: 53,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,346.54 : 78,489.95 = 35,726.69 : x
  2. Step 2: Convert to fraction form
    52,346.54/78,489.95 = 35,726.69/x
  3. Step 3: Cross multiply
    52,346.54x = 78,489.95 × 35,726.69
  4. Step 4: Simplify right side
    52,346.54x = 2,804,185,540.68
  5. Step 5: Solve for x
    x = 2,804,185,540.68/52,346.54
  6. Step 6: Final answer
    x = 53,569.65

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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.