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Finding the Fourth Proportional to 17,974,662.40, 24,805,000.20 and 9,825,900.40

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Solution

The fourth proportional to 17,974,662.40, 24,805,000.20 and 9,825,900.40 is: 13,559,724.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,974,662.40 : 24,805,000.20 = 9,825,900.40 : x
  2. Step 2: Convert to fraction form
    17,974,662.40/24,805,000.20 = 9,825,900.40/x
  3. Step 3: Cross multiply
    17,974,662.40x = 24,805,000.20 × 9,825,900.40
  4. Step 4: Simplify right side
    17,974,662.40x = 243,731,461,387,180.09
  5. Step 5: Solve for x
    x = 243,731,461,387,180.09/17,974,662.40
  6. Step 6: Final answer
    x = 13,559,724.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.