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Finding the Fourth Proportional to 8,966,404.02, 12,373,574.40 and 5,098,924.20

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Solution

The fourth proportional to 8,966,404.02, 12,373,574.40 and 5,098,924.20 is: 7,036,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966,404.02 : 12,373,574.40 = 5,098,924.20 : x
  2. Step 2: Convert to fraction form
    8,966,404.02/12,373,574.40 = 5,098,924.20/x
  3. Step 3: Cross multiply
    8,966,404.02x = 12,373,574.40 × 5,098,924.20
  4. Step 4: Simplify right side
    8,966,404.02x = 63,091,917,948,660.48
  5. Step 5: Solve for x
    x = 63,091,917,948,660.48/8,966,404.02
  6. Step 6: Final answer
    x = 7,036,479.49

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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.