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Finding the Fourth Proportional to 58,689.83, 80,993.80 and 33,195.70

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Solution

The fourth proportional to 58,689.83, 80,993.80 and 33,195.70 is: 45,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,689.83 : 80,993.80 = 33,195.70 : x
  2. Step 2: Convert to fraction form
    58,689.83/80,993.80 = 33,195.70/x
  3. Step 3: Cross multiply
    58,689.83x = 80,993.80 × 33,195.70
  4. Step 4: Simplify right side
    58,689.83x = 2,688,645,886.66
  5. Step 5: Solve for x
    x = 2,688,645,886.66/58,689.83
  6. Step 6: Final answer
    x = 45,811.10

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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.