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Finding the Fourth Proportional to 64,523.80, 96,785.70 and 60,635.80

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Solution

The fourth proportional to 64,523.80, 96,785.70 and 60,635.80 is: 90,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,523.80 : 96,785.70 = 60,635.80 : x
  2. Step 2: Convert to fraction form
    64,523.80/96,785.70 = 60,635.80/x
  3. Step 3: Cross multiply
    64,523.80x = 96,785.70 × 60,635.80
  4. Step 4: Simplify right side
    64,523.80x = 5,868,678,348.06
  5. Step 5: Solve for x
    x = 5,868,678,348.06/64,523.80
  6. Step 6: Final answer
    x = 90,953.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.