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Finding the Fourth Proportional to 55,672.32, 83,506.32 and 18,235.20

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Solution

The fourth proportional to 55,672.32, 83,506.32 and 18,235.20 is: 27,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,672.32 : 83,506.32 = 18,235.20 : x
  2. Step 2: Convert to fraction form
    55,672.32/83,506.32 = 18,235.20/x
  3. Step 3: Cross multiply
    55,672.32x = 83,506.32 × 18,235.20
  4. Step 4: Simplify right side
    55,672.32x = 1,522,754,446.46
  5. Step 5: Solve for x
    x = 1,522,754,446.46/55,672.32
  6. Step 6: Final answer
    x = 27,352.09

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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.