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Finding the Fourth Proportional to 8,697,808.60, 13,046,712.90 and 8,067,952.60

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Solution

The fourth proportional to 8,697,808.60, 13,046,712.90 and 8,067,952.60 is: 12,101,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,808.60 : 13,046,712.90 = 8,067,952.60 : x
  2. Step 2: Convert to fraction form
    8,697,808.60/13,046,712.90 = 8,067,952.60/x
  3. Step 3: Cross multiply
    8,697,808.60x = 13,046,712.90 × 8,067,952.60
  4. Step 4: Simplify right side
    8,697,808.60x = 105,260,261,263,008.53
  5. Step 5: Solve for x
    x = 105,260,261,263,008.53/8,697,808.60
  6. Step 6: Final answer
    x = 12,101,928.90

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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.