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Finding the Fourth Proportional to 64,777.58, 96,946.89 and 39,833.42

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Solution

The fourth proportional to 64,777.58, 96,946.89 and 39,833.42 is: 59,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,777.58 : 96,946.89 = 39,833.42 : x
  2. Step 2: Convert to fraction form
    64,777.58/96,946.89 = 39,833.42/x
  3. Step 3: Cross multiply
    64,777.58x = 96,946.89 × 39,833.42
  4. Step 4: Simplify right side
    64,777.58x = 3,861,726,187.06
  5. Step 5: Solve for x
    x = 3,861,726,187.06/64,777.58
  6. Step 6: Final answer
    x = 59,615.17

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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.