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Finding the Fourth Proportional to 60,661.32, 83,712.95 and 35,182.78

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Solution

The fourth proportional to 60,661.32, 83,712.95 and 35,182.78 is: 48,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661.32 : 83,712.95 = 35,182.78 : x
  2. Step 2: Convert to fraction form
    60,661.32/83,712.95 = 35,182.78/x
  3. Step 3: Cross multiply
    60,661.32x = 83,712.95 × 35,182.78
  4. Step 4: Simplify right side
    60,661.32x = 2,945,254,303.00
  5. Step 5: Solve for x
    x = 2,945,254,303.00/60,661.32
  6. Step 6: Final answer
    x = 48,552.43

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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.