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Finding the Fourth Proportional to 64,212.91, 88,608.99 and 35,913.13

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Solution

The fourth proportional to 64,212.91, 88,608.99 and 35,913.13 is: 49,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,212.91 : 88,608.99 = 35,913.13 : x
  2. Step 2: Convert to fraction form
    64,212.91/88,608.99 = 35,913.13/x
  3. Step 3: Cross multiply
    64,212.91x = 88,608.99 × 35,913.13
  4. Step 4: Simplify right side
    64,212.91x = 3,182,226,177.04
  5. Step 5: Solve for x
    x = 3,182,226,177.04/64,212.91
  6. Step 6: Final answer
    x = 49,557.42

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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.