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Finding the Fourth Proportional to 5,871,269.60, 8,806,904.40 and 2,505,816.80

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Solution

The fourth proportional to 5,871,269.60, 8,806,904.40 and 2,505,816.80 is: 3,758,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871,269.60 : 8,806,904.40 = 2,505,816.80 : x
  2. Step 2: Convert to fraction form
    5,871,269.60/8,806,904.40 = 2,505,816.80/x
  3. Step 3: Cross multiply
    5,871,269.60x = 8,806,904.40 × 2,505,816.80
  4. Step 4: Simplify right side
    5,871,269.60x = 22,068,489,001,513.92
  5. Step 5: Solve for x
    x = 22,068,489,001,513.92/5,871,269.60
  6. Step 6: Final answer
    x = 3,758,725.20

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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.