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Finding the Fourth Proportional to 18,582,562.60, 27,873,843.90 and 17,386,820.35

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Solution

The fourth proportional to 18,582,562.60, 27,873,843.90 and 17,386,820.35 is: 26,080,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582,562.60 : 27,873,843.90 = 17,386,820.35 : x
  2. Step 2: Convert to fraction form
    18,582,562.60/27,873,843.90 = 17,386,820.35/x
  3. Step 3: Cross multiply
    18,582,562.60x = 27,873,843.90 × 17,386,820.35
  4. Step 4: Simplify right side
    18,582,562.60x = 484,637,516,353,243.38
  5. Step 5: Solve for x
    x = 484,637,516,353,243.38/18,582,562.60
  6. Step 6: Final answer
    x = 26,080,230.53

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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.