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Finding the Fourth Proportional to 29,808,212.80, 44,657,206.80 and 16,990,643.20

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Solution

The fourth proportional to 29,808,212.80, 44,657,206.80 and 16,990,643.20 is: 25,454,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,808,212.80 : 44,657,206.80 = 16,990,643.20 : x
  2. Step 2: Convert to fraction form
    29,808,212.80/44,657,206.80 = 16,990,643.20/x
  3. Step 3: Cross multiply
    29,808,212.80x = 44,657,206.80 × 16,990,643.20
  4. Step 4: Simplify right side
    29,808,212.80x = 758,754,667,047,413.62
  5. Step 5: Solve for x
    x = 758,754,667,047,413.62/29,808,212.80
  6. Step 6: Final answer
    x = 25,454,550.80

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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.