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Finding the Fourth Proportional to 4,861,359.70, 7,292,039.55 and 4,861,359.70

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Solution

The fourth proportional to 4,861,359.70, 7,292,039.55 and 4,861,359.70 is: 7,292,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861,359.70 : 7,292,039.55 = 4,861,359.70 : x
  2. Step 2: Convert to fraction form
    4,861,359.70/7,292,039.55 = 4,861,359.70/x
  3. Step 3: Cross multiply
    4,861,359.70x = 7,292,039.55 × 4,861,359.70
  4. Step 4: Simplify right side
    4,861,359.70x = 35,449,227,199,176.13
  5. Step 5: Solve for x
    x = 35,449,227,199,176.13/4,861,359.70
  6. Step 6: Final answer
    x = 7,292,039.55

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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.