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Finding the Fourth Proportional to 35,296.25, 48,687.44 and 20,946.65

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Solution

The fourth proportional to 35,296.25, 48,687.44 and 20,946.65 is: 28,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,296.25 : 48,687.44 = 20,946.65 : x
  2. Step 2: Convert to fraction form
    35,296.25/48,687.44 = 20,946.65/x
  3. Step 3: Cross multiply
    35,296.25x = 48,687.44 × 20,946.65
  4. Step 4: Simplify right side
    35,296.25x = 1,019,838,416.91
  5. Step 5: Solve for x
    x = 1,019,838,416.91/35,296.25
  6. Step 6: Final answer
    x = 28,893.68

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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.