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Finding the Fourth Proportional to 64,224.74, 88,628.14 and 35,542.68

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Solution

The fourth proportional to 64,224.74, 88,628.14 and 35,542.68 is: 49,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,224.74 : 88,628.14 = 35,542.68 : x
  2. Step 2: Convert to fraction form
    64,224.74/88,628.14 = 35,542.68/x
  3. Step 3: Cross multiply
    64,224.74x = 88,628.14 × 35,542.68
  4. Step 4: Simplify right side
    64,224.74x = 3,150,081,619.02
  5. Step 5: Solve for x
    x = 3,150,081,619.02/64,224.74
  6. Step 6: Final answer
    x = 49,047.79

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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.