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Finding the Fourth Proportional to 60,689.77, 83,751.89 and 33,831.70

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Solution

The fourth proportional to 60,689.77, 83,751.89 and 33,831.70 is: 46,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,689.77 : 83,751.89 = 33,831.70 : x
  2. Step 2: Convert to fraction form
    60,689.77/83,751.89 = 33,831.70/x
  3. Step 3: Cross multiply
    60,689.77x = 83,751.89 × 33,831.70
  4. Step 4: Simplify right side
    60,689.77x = 2,833,468,816.91
  5. Step 5: Solve for x
    x = 2,833,468,816.91/60,689.77
  6. Step 6: Final answer
    x = 46,687.75

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1.5x scale

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.