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Finding the Fourth Proportional to 6,884,762.78, 9,500,781.54 and 3,744,922.52

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Solution

The fourth proportional to 6,884,762.78, 9,500,781.54 and 3,744,922.52 is: 5,167,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884,762.78 : 9,500,781.54 = 3,744,922.52 : x
  2. Step 2: Convert to fraction form
    6,884,762.78/9,500,781.54 = 3,744,922.52/x
  3. Step 3: Cross multiply
    6,884,762.78x = 9,500,781.54 × 3,744,922.52
  4. Step 4: Simplify right side
    6,884,762.78x = 35,579,690,746,746.28
  5. Step 5: Solve for x
    x = 35,579,690,746,746.28/6,884,762.78
  6. Step 6: Final answer
    x = 5,167,889.13

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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.