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Finding the Fourth Proportional to 64,753.59, 89,364.07 and 39,262.39

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Solution

The fourth proportional to 64,753.59, 89,364.07 and 39,262.39 is: 54,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,753.59 : 89,364.07 = 39,262.39 : x
  2. Step 2: Convert to fraction form
    64,753.59/89,364.07 = 39,262.39/x
  3. Step 3: Cross multiply
    64,753.59x = 89,364.07 × 39,262.39
  4. Step 4: Simplify right side
    64,753.59x = 3,508,646,968.33
  5. Step 5: Solve for x
    x = 3,508,646,968.33/64,753.59
  6. Step 6: Final answer
    x = 54,184.59

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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.