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Finding the Fourth Proportional to 4,872,333.96, 6,723,648.90 and 2,696,881.32

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Solution

The fourth proportional to 4,872,333.96, 6,723,648.90 and 2,696,881.32 is: 3,721,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,333.96 : 6,723,648.90 = 2,696,881.32 : x
  2. Step 2: Convert to fraction form
    4,872,333.96/6,723,648.90 = 2,696,881.32/x
  3. Step 3: Cross multiply
    4,872,333.96x = 6,723,648.90 × 2,696,881.32
  4. Step 4: Simplify right side
    4,872,333.96x = 18,132,883,120,648.55
  5. Step 5: Solve for x
    x = 18,132,883,120,648.55/4,872,333.96
  6. Step 6: Final answer
    x = 3,721,601.04

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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.