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Finding the Fourth Proportional to 6,443,039.40, 9,664,340.40 and 1,650,775.65

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Solution

The fourth proportional to 6,443,039.40, 9,664,340.40 and 1,650,775.65 is: 2,476,107.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443,039.40 : 9,664,340.40 = 1,650,775.65 : x
  2. Step 2: Convert to fraction form
    6,443,039.40/9,664,340.40 = 1,650,775.65/x
  3. Step 3: Cross multiply
    6,443,039.40x = 9,664,340.40 × 1,650,775.65
  4. Step 4: Simplify right side
    6,443,039.40x = 15,953,657,805,631.26
  5. Step 5: Solve for x
    x = 15,953,657,805,631.26/6,443,039.40
  6. Step 6: Final answer
    x = 2,476,107.44

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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.