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Finding the Fourth Proportional to 6,289,681.08, 9,434,469.78 and 1,801,961.40

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Solution

The fourth proportional to 6,289,681.08, 9,434,469.78 and 1,801,961.40 is: 2,702,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289,681.08 : 9,434,469.78 = 1,801,961.40 : x
  2. Step 2: Convert to fraction form
    6,289,681.08/9,434,469.78 = 1,801,961.40/x
  3. Step 3: Cross multiply
    6,289,681.08x = 9,434,469.78 × 1,801,961.40
  4. Step 4: Simplify right side
    6,289,681.08x = 17,000,550,373,026.49
  5. Step 5: Solve for x
    x = 17,000,550,373,026.49/6,289,681.08
  6. Step 6: Final answer
    x = 2,702,927.25

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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.