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Finding the Fourth Proportional to 64,833.48, 89,472.60 and 36,541.80

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Solution

The fourth proportional to 64,833.48, 89,472.60 and 36,541.80 is: 50,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,833.48 : 89,472.60 = 36,541.80 : x
  2. Step 2: Convert to fraction form
    64,833.48/89,472.60 = 36,541.80/x
  3. Step 3: Cross multiply
    64,833.48x = 89,472.60 × 36,541.80
  4. Step 4: Simplify right side
    64,833.48x = 3,269,489,854.68
  5. Step 5: Solve for x
    x = 3,269,489,854.68/64,833.48
  6. Step 6: Final answer
    x = 50,429.04

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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.