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Finding the Fourth Proportional to 55,019.80, 82,482.35 and 23,400.91

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Solution

The fourth proportional to 55,019.80, 82,482.35 and 23,400.91 is: 35,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,019.80 : 82,482.35 = 23,400.91 : x
  2. Step 2: Convert to fraction form
    55,019.80/82,482.35 = 23,400.91/x
  3. Step 3: Cross multiply
    55,019.80x = 82,482.35 × 23,400.91
  4. Step 4: Simplify right side
    55,019.80x = 1,930,161,725.73
  5. Step 5: Solve for x
    x = 1,930,161,725.73/55,019.80
  6. Step 6: Final answer
    x = 35,081.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.