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Finding the Fourth Proportional to 6,348,924.54, 8,760,492.15 and 3,900,748.22

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Solution

The fourth proportional to 6,348,924.54, 8,760,492.15 and 3,900,748.22 is: 5,382,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348,924.54 : 8,760,492.15 = 3,900,748.22 : x
  2. Step 2: Convert to fraction form
    6,348,924.54/8,760,492.15 = 3,900,748.22/x
  3. Step 3: Cross multiply
    6,348,924.54x = 8,760,492.15 × 3,900,748.22
  4. Step 4: Simplify right side
    6,348,924.54x = 34,172,474,160,436.48
  5. Step 5: Solve for x
    x = 34,172,474,160,436.48/6,348,924.54
  6. Step 6: Final answer
    x = 5,382,403.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.