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Finding the Fourth Proportional to 16,471,985.40, 24,707,978.10 and 4,504,721.40

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Solution

The fourth proportional to 16,471,985.40, 24,707,978.10 and 4,504,721.40 is: 6,757,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,471,985.40 : 24,707,978.10 = 4,504,721.40 : x
  2. Step 2: Convert to fraction form
    16,471,985.40/24,707,978.10 = 4,504,721.40/x
  3. Step 3: Cross multiply
    16,471,985.40x = 24,707,978.10 × 4,504,721.40
  4. Step 4: Simplify right side
    16,471,985.40x = 111,302,557,697,801.36
  5. Step 5: Solve for x
    x = 111,302,557,697,801.36/16,471,985.40
  6. Step 6: Final answer
    x = 6,757,082.10

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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.