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Finding the Fourth Proportional to 27,648,052.70, 41,472,079.05 and 27,480,091.10

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Solution

The fourth proportional to 27,648,052.70, 41,472,079.05 and 27,480,091.10 is: 41,220,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648,052.70 : 41,472,079.05 = 27,480,091.10 : x
  2. Step 2: Convert to fraction form
    27,648,052.70/41,472,079.05 = 27,480,091.10/x
  3. Step 3: Cross multiply
    27,648,052.70x = 41,472,079.05 × 27,480,091.10
  4. Step 4: Simplify right side
    27,648,052.70x = 1,139,656,510,400,401.50
  5. Step 5: Solve for x
    x = 1,139,656,510,400,401.50/27,648,052.70
  6. Step 6: Final answer
    x = 41,220,136.65

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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.