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Finding the Fourth Proportional to 7,735,952.80, 11,603,929.20 and 7,062,794.20

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Solution

The fourth proportional to 7,735,952.80, 11,603,929.20 and 7,062,794.20 is: 10,594,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735,952.80 : 11,603,929.20 = 7,062,794.20 : x
  2. Step 2: Convert to fraction form
    7,735,952.80/11,603,929.20 = 7,062,794.20/x
  3. Step 3: Cross multiply
    7,735,952.80x = 11,603,929.20 × 7,062,794.20
  4. Step 4: Simplify right side
    7,735,952.80x = 81,956,163,850,970.64
  5. Step 5: Solve for x
    x = 81,956,163,850,970.64/7,735,952.80
  6. Step 6: Final answer
    x = 10,594,191.30

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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.