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Finding the Fourth Proportional to 47,903.52, 66,101.81 and 27,766.72

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Solution

The fourth proportional to 47,903.52, 66,101.81 and 27,766.72 is: 38,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,903.52 : 66,101.81 = 27,766.72 : x
  2. Step 2: Convert to fraction form
    47,903.52/66,101.81 = 27,766.72/x
  3. Step 3: Cross multiply
    47,903.52x = 66,101.81 × 27,766.72
  4. Step 4: Simplify right side
    47,903.52x = 1,835,430,449.76
  5. Step 5: Solve for x
    x = 1,835,430,449.76/47,903.52
  6. Step 6: Final answer
    x = 38,315.15

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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.