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Finding the Fourth Proportional to 55,612.40, 83,224.20 and 50,946.80

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Solution

The fourth proportional to 55,612.40, 83,224.20 and 50,946.80 is: 76,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612.40 : 83,224.20 = 50,946.80 : x
  2. Step 2: Convert to fraction form
    55,612.40/83,224.20 = 50,946.80/x
  3. Step 3: Cross multiply
    55,612.40x = 83,224.20 × 50,946.80
  4. Step 4: Simplify right side
    55,612.40x = 4,240,006,672.56
  5. Step 5: Solve for x
    x = 4,240,006,672.56/55,612.40
  6. Step 6: Final answer
    x = 76,242.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.