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Finding the Fourth Proportional to 26,797,510.20, 40,212,011.70 and 9,759,905.40

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Solution

The fourth proportional to 26,797,510.20, 40,212,011.70 and 9,759,905.40 is: 14,645,593.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,797,510.20 : 40,212,011.70 = 9,759,905.40 : x
  2. Step 2: Convert to fraction form
    26,797,510.20/40,212,011.70 = 9,759,905.40/x
  3. Step 3: Cross multiply
    26,797,510.20x = 40,212,011.70 × 9,759,905.40
  4. Step 4: Simplify right side
    26,797,510.20x = 392,465,430,135,693.25
  5. Step 5: Solve for x
    x = 392,465,430,135,693.25/26,797,510.20
  6. Step 6: Final answer
    x = 14,645,593.09

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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.