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Finding the Fourth Proportional to 12,249,069.90, 18,373,604.85 and 8,595,905.10

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Solution

The fourth proportional to 12,249,069.90, 18,373,604.85 and 8,595,905.10 is: 12,893,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,069.90 : 18,373,604.85 = 8,595,905.10 : x
  2. Step 2: Convert to fraction form
    12,249,069.90/18,373,604.85 = 8,595,905.10/x
  3. Step 3: Cross multiply
    12,249,069.90x = 18,373,604.85 × 8,595,905.10
  4. Step 4: Simplify right side
    12,249,069.90x = 157,937,763,635,499.75
  5. Step 5: Solve for x
    x = 157,937,763,635,499.75/12,249,069.90
  6. Step 6: Final answer
    x = 12,893,857.65

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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.