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Finding the Fourth Proportional to 16,398,412.80, 24,597,619.20 and 7,300,492.80

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Solution

The fourth proportional to 16,398,412.80, 24,597,619.20 and 7,300,492.80 is: 10,950,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,398,412.80 : 24,597,619.20 = 7,300,492.80 : x
  2. Step 2: Convert to fraction form
    16,398,412.80/24,597,619.20 = 7,300,492.80/x
  3. Step 3: Cross multiply
    16,398,412.80x = 24,597,619.20 × 7,300,492.80
  4. Step 4: Simplify right side
    16,398,412.80x = 179,574,741,866,741.75
  5. Step 5: Solve for x
    x = 179,574,741,866,741.75/16,398,412.80
  6. Step 6: Final answer
    x = 10,950,739.20

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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.