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Finding the Fourth Proportional to 55,461.70, 83,192.55 and 18,525.70

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Solution

The fourth proportional to 55,461.70, 83,192.55 and 18,525.70 is: 27,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,461.70 : 83,192.55 = 18,525.70 : x
  2. Step 2: Convert to fraction form
    55,461.70/83,192.55 = 18,525.70/x
  3. Step 3: Cross multiply
    55,461.70x = 83,192.55 × 18,525.70
  4. Step 4: Simplify right side
    55,461.70x = 1,541,200,223.54
  5. Step 5: Solve for x
    x = 1,541,200,223.54/55,461.70
  6. Step 6: Final answer
    x = 27,788.55

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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.