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Finding the Fourth Proportional to 60,728.86, 83,806.28 and 33,873.11

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Solution

The fourth proportional to 60,728.86, 83,806.28 and 33,873.11 is: 46,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,728.86 : 83,806.28 = 33,873.11 : x
  2. Step 2: Convert to fraction form
    60,728.86/83,806.28 = 33,873.11/x
  3. Step 3: Cross multiply
    60,728.86x = 83,806.28 × 33,873.11
  4. Step 4: Simplify right side
    60,728.86x = 2,838,779,341.13
  5. Step 5: Solve for x
    x = 2,838,779,341.13/60,728.86
  6. Step 6: Final answer
    x = 46,745.14

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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.