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Finding the Fourth Proportional to 66,601.60, 92,018.24 and 65,946.24

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Solution

The fourth proportional to 66,601.60, 92,018.24 and 65,946.24 is: 91,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,601.60 : 92,018.24 = 65,946.24 : x
  2. Step 2: Convert to fraction form
    66,601.60/92,018.24 = 65,946.24/x
  3. Step 3: Cross multiply
    66,601.60x = 92,018.24 × 65,946.24
  4. Step 4: Simplify right side
    66,601.60x = 6,068,256,939.42
  5. Step 5: Solve for x
    x = 6,068,256,939.42/66,601.60
  6. Step 6: Final answer
    x = 91,112.78

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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.