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Finding the Fourth Proportional to 24,258,936.40, 36,388,404.60 and 20,605,771.60

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Solution

The fourth proportional to 24,258,936.40, 36,388,404.60 and 20,605,771.60 is: 30,908,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,258,936.40 : 36,388,404.60 = 20,605,771.60 : x
  2. Step 2: Convert to fraction form
    24,258,936.40/36,388,404.60 = 20,605,771.60/x
  3. Step 3: Cross multiply
    24,258,936.40x = 36,388,404.60 × 20,605,771.60
  4. Step 4: Simplify right side
    24,258,936.40x = 749,811,154,075,989.50
  5. Step 5: Solve for x
    x = 749,811,154,075,989.50/24,258,936.40
  6. Step 6: Final answer
    x = 30,908,657.40

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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.