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Finding the Fourth Proportional to 4,871,708.22, 6,722,750.64 and 2,696,047.82

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Solution

The fourth proportional to 4,871,708.22, 6,722,750.64 and 2,696,047.82 is: 3,720,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871,708.22 : 6,722,750.64 = 2,696,047.82 : x
  2. Step 2: Convert to fraction form
    4,871,708.22/6,722,750.64 = 2,696,047.82/x
  3. Step 3: Cross multiply
    4,871,708.22x = 6,722,750.64 × 2,696,047.82
  4. Step 4: Simplify right side
    4,871,708.22x = 18,124,857,207,375.60
  5. Step 5: Solve for x
    x = 18,124,857,207,375.60/4,871,708.22
  6. Step 6: Final answer
    x = 3,720,431.60

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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.