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Finding the Fourth Proportional to 9,781,786.60, 14,673,327.90 and 2,593,220.20

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Solution

The fourth proportional to 9,781,786.60, 14,673,327.90 and 2,593,220.20 is: 3,890,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781,786.60 : 14,673,327.90 = 2,593,220.20 : x
  2. Step 2: Convert to fraction form
    9,781,786.60/14,673,327.90 = 2,593,220.20/x
  3. Step 3: Cross multiply
    9,781,786.60x = 14,673,327.90 × 2,593,220.20
  4. Step 4: Simplify right side
    9,781,786.60x = 38,051,170,311,503.59
  5. Step 5: Solve for x
    x = 38,051,170,311,503.59/9,781,786.60
  6. Step 6: Final answer
    x = 3,890,002.09

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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.