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Finding the Fourth Proportional to 30,482.01, 42,063.20 and 17,050.97

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Solution

The fourth proportional to 30,482.01, 42,063.20 and 17,050.97 is: 23,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.01 : 42,063.20 = 17,050.97 : x
  2. Step 2: Convert to fraction form
    30,482.01/42,063.20 = 17,050.97/x
  3. Step 3: Cross multiply
    30,482.01x = 42,063.20 × 17,050.97
  4. Step 4: Simplify right side
    30,482.01x = 717,218,065.73
  5. Step 5: Solve for x
    x = 717,218,065.73/30,482.01
  6. Step 6: Final answer
    x = 23,529.22

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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.