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Finding the Fourth Proportional to 17,865,324.24, 26,800,643.52 and 8,281,671.54

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Solution

The fourth proportional to 17,865,324.24, 26,800,643.52 and 8,281,671.54 is: 12,423,739.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865,324.24 : 26,800,643.52 = 8,281,671.54 : x
  2. Step 2: Convert to fraction form
    17,865,324.24/26,800,643.52 = 8,281,671.54/x
  3. Step 3: Cross multiply
    17,865,324.24x = 26,800,643.52 × 8,281,671.54
  4. Step 4: Simplify right side
    17,865,324.24x = 221,954,126,693,269.41
  5. Step 5: Solve for x
    x = 221,954,126,693,269.41/17,865,324.24
  6. Step 6: Final answer
    x = 12,423,739.07

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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.