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Finding the Fourth Proportional to 61,777.50, 92,667.06 and 20,224.50

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Solution

The fourth proportional to 61,777.50, 92,667.06 and 20,224.50 is: 30,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,777.50 : 92,667.06 = 20,224.50 : x
  2. Step 2: Convert to fraction form
    61,777.50/92,667.06 = 20,224.50/x
  3. Step 3: Cross multiply
    61,777.50x = 92,667.06 × 20,224.50
  4. Step 4: Simplify right side
    61,777.50x = 1,874,144,954.97
  5. Step 5: Solve for x
    x = 1,874,144,954.97/61,777.50
  6. Step 6: Final answer
    x = 30,337.02

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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.