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Finding the Fourth Proportional to 64,226.78, 88,633.59 and 38,734.46

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Solution

The fourth proportional to 64,226.78, 88,633.59 and 38,734.46 is: 53,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,226.78 : 88,633.59 = 38,734.46 : x
  2. Step 2: Convert to fraction form
    64,226.78/88,633.59 = 38,734.46/x
  3. Step 3: Cross multiply
    64,226.78x = 88,633.59 × 38,734.46
  4. Step 4: Simplify right side
    64,226.78x = 3,433,174,246.51
  5. Step 5: Solve for x
    x = 3,433,174,246.51/64,226.78
  6. Step 6: Final answer
    x = 53,453.94

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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.