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Finding the Fourth Proportional to 27,662,601.90, 38,784,329.70 and 27,662,601.90

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Solution

The fourth proportional to 27,662,601.90, 38,784,329.70 and 27,662,601.90 is: 38,784,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662,601.90 : 38,784,329.70 = 27,662,601.90 : x
  2. Step 2: Convert to fraction form
    27,662,601.90/38,784,329.70 = 27,662,601.90/x
  3. Step 3: Cross multiply
    27,662,601.90x = 38,784,329.70 × 27,662,601.90
  4. Step 4: Simplify right side
    27,662,601.90x = 1,072,875,472,449,446.50
  5. Step 5: Solve for x
    x = 1,072,875,472,449,446.50/27,662,601.90
  6. Step 6: Final answer
    x = 38,784,329.70

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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.