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Finding the Fourth Proportional to 6,720,512.65, 10,080,768.98 and 6,720,512.65

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Solution

The fourth proportional to 6,720,512.65, 10,080,768.98 and 6,720,512.65 is: 10,080,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,512.65 : 10,080,768.98 = 6,720,512.65 : x
  2. Step 2: Convert to fraction form
    6,720,512.65/10,080,768.98 = 6,720,512.65/x
  3. Step 3: Cross multiply
    6,720,512.65x = 10,080,768.98 × 6,720,512.65
  4. Step 4: Simplify right side
    6,720,512.65x = 67,747,935,418,215.03
  5. Step 5: Solve for x
    x = 67,747,935,418,215.03/6,720,512.65
  6. Step 6: Final answer
    x = 10,080,768.98

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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.