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Finding the Fourth Proportional to 6,811,648.74, 9,404,877.60 and 4,370,548.50

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Solution

The fourth proportional to 6,811,648.74, 9,404,877.60 and 4,370,548.50 is: 6,034,438.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811,648.74 : 9,404,877.60 = 4,370,548.50 : x
  2. Step 2: Convert to fraction form
    6,811,648.74/9,404,877.60 = 4,370,548.50/x
  3. Step 3: Cross multiply
    6,811,648.74x = 9,404,877.60 × 4,370,548.50
  4. Step 4: Simplify right side
    6,811,648.74x = 41,104,473,687,363.60
  5. Step 5: Solve for x
    x = 41,104,473,687,363.60/6,811,648.74
  6. Step 6: Final answer
    x = 6,034,438.25

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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.