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Finding the Fourth Proportional to 47,894.91, 66,094.95 and 27,763.47

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Solution

The fourth proportional to 47,894.91, 66,094.95 and 27,763.47 is: 38,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,894.91 : 66,094.95 = 27,763.47 : x
  2. Step 2: Convert to fraction form
    47,894.91/66,094.95 = 27,763.47/x
  3. Step 3: Cross multiply
    47,894.91x = 66,094.95 × 27,763.47
  4. Step 4: Simplify right side
    47,894.91x = 1,835,025,265.59
  5. Step 5: Solve for x
    x = 1,835,025,265.59/47,894.91
  6. Step 6: Final answer
    x = 38,313.58

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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.