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Finding the Fourth Proportional to 7,242,471.01, 10,865,388.03 and 2,124,694.18

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Solution

The fourth proportional to 7,242,471.01, 10,865,388.03 and 2,124,694.18 is: 3,187,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,471.01 : 10,865,388.03 = 2,124,694.18 : x
  2. Step 2: Convert to fraction form
    7,242,471.01/10,865,388.03 = 2,124,694.18/x
  3. Step 3: Cross multiply
    7,242,471.01x = 10,865,388.03 × 2,124,694.18
  4. Step 4: Simplify right side
    7,242,471.01x = 23,085,626,716,396.79
  5. Step 5: Solve for x
    x = 23,085,626,716,396.79/7,242,471.01
  6. Step 6: Final answer
    x = 3,187,534.57

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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.