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Finding the Fourth Proportional to 3,952,769.76, 5,927,701.84 and 1,358,338.40

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Solution

The fourth proportional to 3,952,769.76, 5,927,701.84 and 1,358,338.40 is: 2,037,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952,769.76 : 5,927,701.84 = 1,358,338.40 : x
  2. Step 2: Convert to fraction form
    3,952,769.76/5,927,701.84 = 1,358,338.40/x
  3. Step 3: Cross multiply
    3,952,769.76x = 5,927,701.84 × 1,358,338.40
  4. Step 4: Simplify right side
    3,952,769.76x = 8,051,825,033,022.66
  5. Step 5: Solve for x
    x = 8,051,825,033,022.66/3,952,769.76
  6. Step 6: Final answer
    x = 2,037,008.36

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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.