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Finding the Fourth Proportional to 8,665,961.88, 11,958,881.25 and 4,798,400.01

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Solution

The fourth proportional to 8,665,961.88, 11,958,881.25 and 4,798,400.01 is: 6,621,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665,961.88 : 11,958,881.25 = 4,798,400.01 : x
  2. Step 2: Convert to fraction form
    8,665,961.88/11,958,881.25 = 4,798,400.01/x
  3. Step 3: Cross multiply
    8,665,961.88x = 11,958,881.25 × 4,798,400.01
  4. Step 4: Simplify right side
    8,665,961.88x = 57,383,495,909,588.81
  5. Step 5: Solve for x
    x = 57,383,495,909,588.81/8,665,961.88
  6. Step 6: Final answer
    x = 6,621,711.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.