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Finding the Fourth Proportional to 5,988,019.60, 8,982,029.40 and 1,728,326.80

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Solution

The fourth proportional to 5,988,019.60, 8,982,029.40 and 1,728,326.80 is: 2,592,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988,019.60 : 8,982,029.40 = 1,728,326.80 : x
  2. Step 2: Convert to fraction form
    5,988,019.60/8,982,029.40 = 1,728,326.80/x
  3. Step 3: Cross multiply
    5,988,019.60x = 8,982,029.40 × 1,728,326.80
  4. Step 4: Simplify right side
    5,988,019.60x = 15,523,882,130,407.92
  5. Step 5: Solve for x
    x = 15,523,882,130,407.92/5,988,019.60
  6. Step 6: Final answer
    x = 2,592,490.20

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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.