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Finding the Fourth Proportional to 6,890,552.33, 10,335,041.12 and 1,842,256.49

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Solution

The fourth proportional to 6,890,552.33, 10,335,041.12 and 1,842,256.49 is: 2,763,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890,552.33 : 10,335,041.12 = 1,842,256.49 : x
  2. Step 2: Convert to fraction form
    6,890,552.33/10,335,041.12 = 1,842,256.49/x
  3. Step 3: Cross multiply
    6,890,552.33x = 10,335,041.12 × 1,842,256.49
  4. Step 4: Simplify right side
    6,890,552.33x = 19,039,796,516,850.38
  5. Step 5: Solve for x
    x = 19,039,796,516,850.38/6,890,552.33
  6. Step 6: Final answer
    x = 2,763,174.22

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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.