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Finding the Fourth Proportional to 23,454.01, 35,097.90 and 20,686.08

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Solution

The fourth proportional to 23,454.01, 35,097.90 and 20,686.08 is: 30,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,454.01 : 35,097.90 = 20,686.08 : x
  2. Step 2: Convert to fraction form
    23,454.01/35,097.90 = 20,686.08/x
  3. Step 3: Cross multiply
    23,454.01x = 35,097.90 × 20,686.08
  4. Step 4: Simplify right side
    23,454.01x = 726,038,166.73
  5. Step 5: Solve for x
    x = 726,038,166.73/23,454.01
  6. Step 6: Final answer
    x = 30,955.83

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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.