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Finding the Fourth Proportional to 5,502,690.78, 8,249,695.03 and 3,476,664.24

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Solution

The fourth proportional to 5,502,690.78, 8,249,695.03 and 3,476,664.24 is: 5,212,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502,690.78 : 8,249,695.03 = 3,476,664.24 : x
  2. Step 2: Convert to fraction form
    5,502,690.78/8,249,695.03 = 3,476,664.24/x
  3. Step 3: Cross multiply
    5,502,690.78x = 8,249,695.03 × 3,476,664.24
  4. Step 4: Simplify right side
    5,502,690.78x = 28,681,419,701,706.73
  5. Step 5: Solve for x
    x = 28,681,419,701,706.73/5,502,690.78
  6. Step 6: Final answer
    x = 5,212,253.58

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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.