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Finding the Fourth Proportional to 27,868,615.20, 41,802,922.80 and 27,868,615.20

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Solution

The fourth proportional to 27,868,615.20, 41,802,922.80 and 27,868,615.20 is: 41,802,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,868,615.20 : 41,802,922.80 = 27,868,615.20 : x
  2. Step 2: Convert to fraction form
    27,868,615.20/41,802,922.80 = 27,868,615.20/x
  3. Step 3: Cross multiply
    27,868,615.20x = 41,802,922.80 × 27,868,615.20
  4. Step 4: Simplify right side
    27,868,615.20x = 1,164,989,569,748,506.50
  5. Step 5: Solve for x
    x = 1,164,989,569,748,506.50/27,868,615.20
  6. Step 6: Final answer
    x = 41,802,922.80

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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.