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Finding the Fourth Proportional to 64,952.20, 89,632.20 and 36,271.72

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Solution

The fourth proportional to 64,952.20, 89,632.20 and 36,271.72 is: 50,053.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,952.20 : 89,632.20 = 36,271.72 : x
  2. Step 2: Convert to fraction form
    64,952.20/89,632.20 = 36,271.72/x
  3. Step 3: Cross multiply
    64,952.20x = 89,632.20 × 36,271.72
  4. Step 4: Simplify right side
    64,952.20x = 3,251,114,061.38
  5. Step 5: Solve for x
    x = 3,251,114,061.38/64,952.20
  6. Step 6: Final answer
    x = 50,053.95

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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.