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Finding the Fourth Proportional to 64,906.94, 89,574.30 and 36,612.62

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Solution

The fourth proportional to 64,906.94, 89,574.30 and 36,612.62 is: 50,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,906.94 : 89,574.30 = 36,612.62 : x
  2. Step 2: Convert to fraction form
    64,906.94/89,574.30 = 36,612.62/x
  3. Step 3: Cross multiply
    64,906.94x = 89,574.30 × 36,612.62
  4. Step 4: Simplify right side
    64,906.94x = 3,279,549,807.67
  5. Step 5: Solve for x
    x = 3,279,549,807.67/64,906.94
  6. Step 6: Final answer
    x = 50,526.95

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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.