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Finding the Fourth Proportional to 6,968,478.95, 9,618,037.96 and 3,872,066.26

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Solution

The fourth proportional to 6,968,478.95, 9,618,037.96 and 3,872,066.26 is: 5,344,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968,478.95 : 9,618,037.96 = 3,872,066.26 : x
  2. Step 2: Convert to fraction form
    6,968,478.95/9,618,037.96 = 3,872,066.26/x
  3. Step 3: Cross multiply
    6,968,478.95x = 9,618,037.96 × 3,872,066.26
  4. Step 4: Simplify right side
    6,968,478.95x = 37,241,680,290,934.65
  5. Step 5: Solve for x
    x = 37,241,680,290,934.65/6,968,478.95
  6. Step 6: Final answer
    x = 5,344,305.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.