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Finding the Fourth Proportional to 8,092,854.90, 12,103,571.07 and 7,200,558.90

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Solution

The fourth proportional to 8,092,854.90, 12,103,571.07 and 7,200,558.90 is: 10,769,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092,854.90 : 12,103,571.07 = 7,200,558.90 : x
  2. Step 2: Convert to fraction form
    8,092,854.90/12,103,571.07 = 7,200,558.90/x
  3. Step 3: Cross multiply
    8,092,854.90x = 12,103,571.07 × 7,200,558.90
  4. Step 4: Simplify right side
    8,092,854.90x = 87,152,476,389,871.03
  5. Step 5: Solve for x
    x = 87,152,476,389,871.03/8,092,854.90
  6. Step 6: Final answer
    x = 10,769,064.50

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1.5x scale

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.