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Finding the Fourth Proportional to 52,632.70, 72,630.03 and 28,754.62

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Solution

The fourth proportional to 52,632.70, 72,630.03 and 28,754.62 is: 39,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,632.70 : 72,630.03 = 28,754.62 : x
  2. Step 2: Convert to fraction form
    52,632.70/72,630.03 = 28,754.62/x
  3. Step 3: Cross multiply
    52,632.70x = 72,630.03 × 28,754.62
  4. Step 4: Simplify right side
    52,632.70x = 2,088,448,913.24
  5. Step 5: Solve for x
    x = 2,088,448,913.24/52,632.70
  6. Step 6: Final answer
    x = 39,679.68

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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.