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Finding the Fourth Proportional to 15,993,603.20, 23,990,404.80 and 4,634,422.40

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Solution

The fourth proportional to 15,993,603.20, 23,990,404.80 and 4,634,422.40 is: 6,951,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993,603.20 : 23,990,404.80 = 4,634,422.40 : x
  2. Step 2: Convert to fraction form
    15,993,603.20/23,990,404.80 = 4,634,422.40/x
  3. Step 3: Cross multiply
    15,993,603.20x = 23,990,404.80 × 4,634,422.40
  4. Step 4: Simplify right side
    15,993,603.20x = 111,181,669,390,187.53
  5. Step 5: Solve for x
    x = 111,181,669,390,187.53/15,993,603.20
  6. Step 6: Final answer
    x = 6,951,633.60

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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.