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Finding the Fourth Proportional to 24,486,163.60, 36,685,008.60 and 20,947,219.60

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Solution

The fourth proportional to 24,486,163.60, 36,685,008.60 and 20,947,219.60 is: 31,382,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,486,163.60 : 36,685,008.60 = 20,947,219.60 : x
  2. Step 2: Convert to fraction form
    24,486,163.60/36,685,008.60 = 20,947,219.60/x
  3. Step 3: Cross multiply
    24,486,163.60x = 36,685,008.60 × 20,947,219.60
  4. Step 4: Simplify right side
    24,486,163.60x = 768,448,931,172,088.62
  5. Step 5: Solve for x
    x = 768,448,931,172,088.62/24,486,163.60
  6. Step 6: Final answer
    x = 31,382,986.07

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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.