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Finding the Fourth Proportional to 64,105.65, 88,464.94 and 35,425.26

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Solution

The fourth proportional to 64,105.65, 88,464.94 and 35,425.26 is: 48,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,105.65 : 88,464.94 = 35,425.26 : x
  2. Step 2: Convert to fraction form
    64,105.65/88,464.94 = 35,425.26/x
  3. Step 3: Cross multiply
    64,105.65x = 88,464.94 × 35,425.26
  4. Step 4: Simplify right side
    64,105.65x = 3,133,893,500.38
  5. Step 5: Solve for x
    x = 3,133,893,500.38/64,105.65
  6. Step 6: Final answer
    x = 48,886.39

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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.