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Finding the Fourth Proportional to 32,946.62, 45,447.80 and 20,843.37

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Solution

The fourth proportional to 32,946.62, 45,447.80 and 20,843.37 is: 28,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,946.62 : 45,447.80 = 20,843.37 : x
  2. Step 2: Convert to fraction form
    32,946.62/45,447.80 = 20,843.37/x
  3. Step 3: Cross multiply
    32,946.62x = 45,447.80 × 20,843.37
  4. Step 4: Simplify right side
    32,946.62x = 947,285,206.87
  5. Step 5: Solve for x
    x = 947,285,206.87/32,946.62
  6. Step 6: Final answer
    x = 28,752.13

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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.