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Finding the Fourth Proportional to 60,780.32, 83,869.44 and 33,924.32

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Solution

The fourth proportional to 60,780.32, 83,869.44 and 33,924.32 is: 46,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,780.32 : 83,869.44 = 33,924.32 : x
  2. Step 2: Convert to fraction form
    60,780.32/83,869.44 = 33,924.32/x
  3. Step 3: Cross multiply
    60,780.32x = 83,869.44 × 33,924.32
  4. Step 4: Simplify right side
    60,780.32x = 2,845,213,720.78
  5. Step 5: Solve for x
    x = 2,845,213,720.78/60,780.32
  6. Step 6: Final answer
    x = 46,811.43

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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.