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Finding the Fourth Proportional to 7,382,943.10, 10,310,926.10 and 7,382,943.10

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Solution

The fourth proportional to 7,382,943.10, 10,310,926.10 and 7,382,943.10 is: 10,310,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382,943.10 : 10,310,926.10 = 7,382,943.10 : x
  2. Step 2: Convert to fraction form
    7,382,943.10/10,310,926.10 = 7,382,943.10/x
  3. Step 3: Cross multiply
    7,382,943.10x = 10,310,926.10 × 7,382,943.10
  4. Step 4: Simplify right side
    7,382,943.10x = 76,124,980,704,604.91
  5. Step 5: Solve for x
    x = 76,124,980,704,604.91/7,382,943.10
  6. Step 6: Final answer
    x = 10,310,926.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.