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Finding the Fourth Proportional to 3,598,957.28, 4,966,560.32 and 1,967,371.48

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Solution

The fourth proportional to 3,598,957.28, 4,966,560.32 and 1,967,371.48 is: 2,714,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598,957.28 : 4,966,560.32 = 1,967,371.48 : x
  2. Step 2: Convert to fraction form
    3,598,957.28/4,966,560.32 = 1,967,371.48/x
  3. Step 3: Cross multiply
    3,598,957.28x = 4,966,560.32 × 1,967,371.48
  4. Step 4: Simplify right side
    3,598,957.28x = 9,771,069,127,267.67
  5. Step 5: Solve for x
    x = 9,771,069,127,267.67/3,598,957.28
  6. Step 6: Final answer
    x = 2,714,972.25

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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.