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Finding the Fourth Proportional to 3,907,663.65, 5,851,400.54 and 2,696,977.17

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Solution

The fourth proportional to 3,907,663.65, 5,851,400.54 and 2,696,977.17 is: 4,038,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,663.65 : 5,851,400.54 = 2,696,977.17 : x
  2. Step 2: Convert to fraction form
    3,907,663.65/5,851,400.54 = 2,696,977.17/x
  3. Step 3: Cross multiply
    3,907,663.65x = 5,851,400.54 × 2,696,977.17
  4. Step 4: Simplify right side
    3,907,663.65x = 15,781,093,655,420.79
  5. Step 5: Solve for x
    x = 15,781,093,655,420.79/3,907,663.65
  6. Step 6: Final answer
    x = 4,038,498.47

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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.