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Finding the Fourth Proportional to 27,773,403.20, 38,787,105.10 and 27,773,403.20

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Solution

The fourth proportional to 27,773,403.20, 38,787,105.10 and 27,773,403.20 is: 38,787,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,773,403.20 : 38,787,105.10 = 27,773,403.20 : x
  2. Step 2: Convert to fraction form
    27,773,403.20/38,787,105.10 = 27,773,403.20/x
  3. Step 3: Cross multiply
    27,773,403.20x = 38,787,105.10 × 27,773,403.20
  4. Step 4: Simplify right side
    27,773,403.20x = 1,077,249,908,903,076.38
  5. Step 5: Solve for x
    x = 1,077,249,908,903,076.38/27,773,403.20
  6. Step 6: Final answer
    x = 38,787,105.10

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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.