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Finding the Fourth Proportional to 55,477.60, 83,219.10 and 15,496.54

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Solution

The fourth proportional to 55,477.60, 83,219.10 and 15,496.54 is: 23,245.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,477.60 : 83,219.10 = 15,496.54 : x
  2. Step 2: Convert to fraction form
    55,477.60/83,219.10 = 15,496.54/x
  3. Step 3: Cross multiply
    55,477.60x = 83,219.10 × 15,496.54
  4. Step 4: Simplify right side
    55,477.60x = 1,289,608,111.91
  5. Step 5: Solve for x
    x = 1,289,608,111.91/55,477.60
  6. Step 6: Final answer
    x = 23,245.56

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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.