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Finding the Fourth Proportional to 16,387,507.20, 24,581,260.80 and 10,430,284.80

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Solution

The fourth proportional to 16,387,507.20, 24,581,260.80 and 10,430,284.80 is: 15,645,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387,507.20 : 24,581,260.80 = 10,430,284.80 : x
  2. Step 2: Convert to fraction form
    16,387,507.20/24,581,260.80 = 10,430,284.80/x
  3. Step 3: Cross multiply
    16,387,507.20x = 24,581,260.80 × 10,430,284.80
  4. Step 4: Simplify right side
    16,387,507.20x = 256,389,550,887,075.88
  5. Step 5: Solve for x
    x = 256,389,550,887,075.88/16,387,507.20
  6. Step 6: Final answer
    x = 15,645,427.20

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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.