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Finding the Fourth Proportional to 55,150.50, 82,725.75 and 13,597.50

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Solution

The fourth proportional to 55,150.50, 82,725.75 and 13,597.50 is: 20,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,150.50 : 82,725.75 = 13,597.50 : x
  2. Step 2: Convert to fraction form
    55,150.50/82,725.75 = 13,597.50/x
  3. Step 3: Cross multiply
    55,150.50x = 82,725.75 × 13,597.50
  4. Step 4: Simplify right side
    55,150.50x = 1,124,863,385.63
  5. Step 5: Solve for x
    x = 1,124,863,385.63/55,150.50
  6. Step 6: Final answer
    x = 20,396.25

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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.