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Finding the Fourth Proportional to 47,898.88, 66,100.42 and 27,767.42

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Solution

The fourth proportional to 47,898.88, 66,100.42 and 27,767.42 is: 38,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,898.88 : 66,100.42 = 27,767.42 : x
  2. Step 2: Convert to fraction form
    47,898.88/66,100.42 = 27,767.42/x
  3. Step 3: Cross multiply
    47,898.88x = 66,100.42 × 27,767.42
  4. Step 4: Simplify right side
    47,898.88x = 1,835,438,124.32
  5. Step 5: Solve for x
    x = 1,835,438,124.32/47,898.88
  6. Step 6: Final answer
    x = 38,319.02

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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.