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Finding the Fourth Proportional to 3,881,089.92, 5,822,256.96 and 1,637,558.40

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Solution

The fourth proportional to 3,881,089.92, 5,822,256.96 and 1,637,558.40 is: 2,456,600.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,089.92 : 5,822,256.96 = 1,637,558.40 : x
  2. Step 2: Convert to fraction form
    3,881,089.92/5,822,256.96 = 1,637,558.40/x
  3. Step 3: Cross multiply
    3,881,089.92x = 5,822,256.96 × 1,637,558.40
  4. Step 4: Simplify right side
    3,881,089.92x = 9,534,285,791,806.46
  5. Step 5: Solve for x
    x = 9,534,285,791,806.46/3,881,089.92
  6. Step 6: Final answer
    x = 2,456,600.08

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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.