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Finding the Fourth Proportional to 27,355.56, 37,750.56 and 14,780.28

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Solution

The fourth proportional to 27,355.56, 37,750.56 and 14,780.28 is: 20,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.56 : 37,750.56 = 14,780.28 : x
  2. Step 2: Convert to fraction form
    27,355.56/37,750.56 = 14,780.28/x
  3. Step 3: Cross multiply
    27,355.56x = 37,750.56 × 14,780.28
  4. Step 4: Simplify right side
    27,355.56x = 557,963,846.96
  5. Step 5: Solve for x
    x = 557,963,846.96/27,355.56
  6. Step 6: Final answer
    x = 20,396.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.