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Finding the Fourth Proportional to 27,662,466.15, 38,784,139.65 and 27,662,466.15

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Solution

The fourth proportional to 27,662,466.15, 38,784,139.65 and 27,662,466.15 is: 38,784,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662,466.15 : 38,784,139.65 = 27,662,466.15 : x
  2. Step 2: Convert to fraction form
    27,662,466.15/38,784,139.65 = 27,662,466.15/x
  3. Step 3: Cross multiply
    27,662,466.15x = 38,784,139.65 × 27,662,466.15
  4. Step 4: Simplify right side
    27,662,466.15x = 1,072,864,950,224,997.75
  5. Step 5: Solve for x
    x = 1,072,864,950,224,997.75/27,662,466.15
  6. Step 6: Final answer
    x = 38,784,139.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.