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Finding the Fourth Proportional to 8,804,803.20, 13,186,209.60 and 8,804,803.20

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Solution

The fourth proportional to 8,804,803.20, 13,186,209.60 and 8,804,803.20 is: 13,186,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804,803.20 : 13,186,209.60 = 8,804,803.20 : x
  2. Step 2: Convert to fraction form
    8,804,803.20/13,186,209.60 = 8,804,803.20/x
  3. Step 3: Cross multiply
    8,804,803.20x = 13,186,209.60 × 8,804,803.20
  4. Step 4: Simplify right side
    8,804,803.20x = 116,101,980,481,950.70
  5. Step 5: Solve for x
    x = 116,101,980,481,950.70/8,804,803.20
  6. Step 6: Final answer
    x = 13,186,209.60

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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.