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Finding the Fourth Proportional to 3,976,392.60, 5,960,652.30 and 1,952,980.20

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Solution

The fourth proportional to 3,976,392.60, 5,960,652.30 and 1,952,980.20 is: 2,927,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,392.60 : 5,960,652.30 = 1,952,980.20 : x
  2. Step 2: Convert to fraction form
    3,976,392.60/5,960,652.30 = 1,952,980.20/x
  3. Step 3: Cross multiply
    3,976,392.60x = 5,960,652.30 × 1,952,980.20
  4. Step 4: Simplify right side
    3,976,392.60x = 11,641,035,920,984.46
  5. Step 5: Solve for x
    x = 11,641,035,920,984.46/3,976,392.60
  6. Step 6: Final answer
    x = 2,927,536.86

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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.