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Finding the Fourth Proportional to 17,943,375.40, 26,915,063.10 and 9,334,031.20

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Solution

The fourth proportional to 17,943,375.40, 26,915,063.10 and 9,334,031.20 is: 14,001,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943,375.40 : 26,915,063.10 = 9,334,031.20 : x
  2. Step 2: Convert to fraction form
    17,943,375.40/26,915,063.10 = 9,334,031.20/x
  3. Step 3: Cross multiply
    17,943,375.40x = 26,915,063.10 × 9,334,031.20
  4. Step 4: Simplify right side
    17,943,375.40x = 251,226,038,725,368.72
  5. Step 5: Solve for x
    x = 251,226,038,725,368.72/17,943,375.40
  6. Step 6: Final answer
    x = 14,001,046.80

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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.