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Finding the Fourth Proportional to 64,314.80, 96,505.13 and 30,618.94

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Solution

The fourth proportional to 64,314.80, 96,505.13 and 30,618.94 is: 45,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,314.80 : 96,505.13 = 30,618.94 : x
  2. Step 2: Convert to fraction form
    64,314.80/96,505.13 = 30,618.94/x
  3. Step 3: Cross multiply
    64,314.80x = 96,505.13 × 30,618.94
  4. Step 4: Simplify right side
    64,314.80x = 2,954,884,149.54
  5. Step 5: Solve for x
    x = 2,954,884,149.54/64,314.80
  6. Step 6: Final answer
    x = 45,944.08

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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.