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Finding the Fourth Proportional to 27,508,541.80, 41,262,812.70 and 26,343,639.40

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Solution

The fourth proportional to 27,508,541.80, 41,262,812.70 and 26,343,639.40 is: 39,515,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,508,541.80 : 41,262,812.70 = 26,343,639.40 : x
  2. Step 2: Convert to fraction form
    27,508,541.80/41,262,812.70 = 26,343,639.40/x
  3. Step 3: Cross multiply
    27,508,541.80x = 41,262,812.70 × 26,343,639.40
  4. Step 4: Simplify right side
    27,508,541.80x = 1,087,012,658,398,540.38
  5. Step 5: Solve for x
    x = 1,087,012,658,398,540.38/27,508,541.80
  6. Step 6: Final answer
    x = 39,515,459.10

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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.