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Finding the Fourth Proportional to 17,805,498.61, 26,708,205.61 and 11,696,044.45

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Solution

The fourth proportional to 17,805,498.61, 26,708,205.61 and 11,696,044.45 is: 17,544,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,805,498.61 : 26,708,205.61 = 11,696,044.45 : x
  2. Step 2: Convert to fraction form
    17,805,498.61/26,708,205.61 = 11,696,044.45/x
  3. Step 3: Cross multiply
    17,805,498.61x = 26,708,205.61 × 11,696,044.45
  4. Step 4: Simplify right side
    17,805,498.61x = 312,380,359,994,299.31
  5. Step 5: Solve for x
    x = 312,380,359,994,299.31/17,805,498.61
  6. Step 6: Final answer
    x = 17,544,038.89

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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.