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Finding the Fourth Proportional to 24,816,974.40, 37,151,978.40 and 18,455,428.80

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Solution

The fourth proportional to 24,816,974.40, 37,151,978.40 and 18,455,428.80 is: 27,628,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,816,974.40 : 37,151,978.40 = 18,455,428.80 : x
  2. Step 2: Convert to fraction form
    24,816,974.40/37,151,978.40 = 18,455,428.80/x
  3. Step 3: Cross multiply
    24,816,974.40x = 37,151,978.40 × 18,455,428.80
  4. Step 4: Simplify right side
    24,816,974.40x = 685,655,692,140,337.88
  5. Step 5: Solve for x
    x = 685,655,692,140,337.88/24,816,974.40
  6. Step 6: Final answer
    x = 27,628,496.57

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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.