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Finding the Fourth Proportional to 64,549.30, 89,086.39 and 36,254.99

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Solution

The fourth proportional to 64,549.30, 89,086.39 and 36,254.99 is: 50,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,549.30 : 89,086.39 = 36,254.99 : x
  2. Step 2: Convert to fraction form
    64,549.30/89,086.39 = 36,254.99/x
  3. Step 3: Cross multiply
    64,549.30x = 89,086.39 × 36,254.99
  4. Step 4: Simplify right side
    64,549.30x = 3,229,826,178.59
  5. Step 5: Solve for x
    x = 3,229,826,178.59/64,549.30
  6. Step 6: Final answer
    x = 50,036.58

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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.