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Finding the Fourth Proportional to 17,573,889.60, 26,376,580.80 and 15,180,436.80

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Solution

The fourth proportional to 17,573,889.60, 26,376,580.80 and 15,180,436.80 is: 22,784,257.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,573,889.60 : 26,376,580.80 = 15,180,436.80 : x
  2. Step 2: Convert to fraction form
    17,573,889.60/26,376,580.80 = 15,180,436.80/x
  3. Step 3: Cross multiply
    17,573,889.60x = 26,376,580.80 × 15,180,436.80
  4. Step 4: Simplify right side
    17,573,889.60x = 400,408,017,834,493.50
  5. Step 5: Solve for x
    x = 400,408,017,834,493.50/17,573,889.60
  6. Step 6: Final answer
    x = 22,784,257.04

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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.