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Finding the Fourth Proportional to 62,156.70, 93,221.96 and 20,040.48

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Solution

The fourth proportional to 62,156.70, 93,221.96 and 20,040.48 is: 30,056.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,156.70 : 93,221.96 = 20,040.48 : x
  2. Step 2: Convert to fraction form
    62,156.70/93,221.96 = 20,040.48/x
  3. Step 3: Cross multiply
    62,156.70x = 93,221.96 × 20,040.48
  4. Step 4: Simplify right side
    62,156.70x = 1,868,212,724.74
  5. Step 5: Solve for x
    x = 1,868,212,724.74/62,156.70
  6. Step 6: Final answer
    x = 30,056.50

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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.