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Finding the Fourth Proportional to 2,214,672.70, 3,102,641.30 and 2,214,672.70

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Solution

The fourth proportional to 2,214,672.70, 3,102,641.30 and 2,214,672.70 is: 3,102,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,672.70 : 3,102,641.30 = 2,214,672.70 : x
  2. Step 2: Convert to fraction form
    2,214,672.70/3,102,641.30 = 2,214,672.70/x
  3. Step 3: Cross multiply
    2,214,672.70x = 3,102,641.30 × 2,214,672.70
  4. Step 4: Simplify right side
    2,214,672.70x = 6,871,334,985,002.51
  5. Step 5: Solve for x
    x = 6,871,334,985,002.51/2,214,672.70
  6. Step 6: Final answer
    x = 3,102,641.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.