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Finding the Fourth Proportional to 35,356.62, 48,743.33 and 28,210.80

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Solution

The fourth proportional to 35,356.62, 48,743.33 and 28,210.80 is: 38,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,356.62 : 48,743.33 = 28,210.80 : x
  2. Step 2: Convert to fraction form
    35,356.62/48,743.33 = 28,210.80/x
  3. Step 3: Cross multiply
    35,356.62x = 48,743.33 × 28,210.80
  4. Step 4: Simplify right side
    35,356.62x = 1,375,088,192.91
  5. Step 5: Solve for x
    x = 1,375,088,192.91/35,356.62
  6. Step 6: Final answer
    x = 38,891.96

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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.