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Finding the Fourth Proportional to 23,998.80, 35,998.18 and 6,470.40

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Solution

The fourth proportional to 23,998.80, 35,998.18 and 6,470.40 is: 9,705.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,998.80 : 35,998.18 = 6,470.40 : x
  2. Step 2: Convert to fraction form
    23,998.80/35,998.18 = 6,470.40/x
  3. Step 3: Cross multiply
    23,998.80x = 35,998.18 × 6,470.40
  4. Step 4: Simplify right side
    23,998.80x = 232,922,623.87
  5. Step 5: Solve for x
    x = 232,922,623.87/23,998.80
  6. Step 6: Final answer
    x = 9,705.59

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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.