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Finding the Fourth Proportional to 26,797,509.20, 40,212,010.20 and 9,759,904.40

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Solution

The fourth proportional to 26,797,509.20, 40,212,010.20 and 9,759,904.40 is: 14,645,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,797,509.20 : 40,212,010.20 = 9,759,904.40 : x
  2. Step 2: Convert to fraction form
    26,797,509.20/40,212,010.20 = 9,759,904.40/x
  3. Step 3: Cross multiply
    26,797,509.20x = 40,212,010.20 × 9,759,904.40
  4. Step 4: Simplify right side
    26,797,509.20x = 392,465,375,283,824.94
  5. Step 5: Solve for x
    x = 392,465,375,283,824.94/26,797,509.20
  6. Step 6: Final answer
    x = 14,645,591.59

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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.