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Finding the Fourth Proportional to 17,645,905.20, 26,412,870.60 and 17,645,905.20

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Solution

The fourth proportional to 17,645,905.20, 26,412,870.60 and 17,645,905.20 is: 26,412,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645,905.20 : 26,412,870.60 = 17,645,905.20 : x
  2. Step 2: Convert to fraction form
    17,645,905.20/26,412,870.60 = 17,645,905.20/x
  3. Step 3: Cross multiply
    17,645,905.20x = 26,412,870.60 × 17,645,905.20
  4. Step 4: Simplify right side
    17,645,905.20x = 466,079,010,667,467.12
  5. Step 5: Solve for x
    x = 466,079,010,667,467.12/17,645,905.20
  6. Step 6: Final answer
    x = 26,412,870.60

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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.