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Finding the Fourth Proportional to 61,667.96, 92,499.90 and 26,119.78

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Solution

The fourth proportional to 61,667.96, 92,499.90 and 26,119.78 is: 39,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,667.96 : 92,499.90 = 26,119.78 : x
  2. Step 2: Convert to fraction form
    61,667.96/92,499.90 = 26,119.78/x
  3. Step 3: Cross multiply
    61,667.96x = 92,499.90 × 26,119.78
  4. Step 4: Simplify right side
    61,667.96x = 2,416,077,038.02
  5. Step 5: Solve for x
    x = 2,416,077,038.02/61,667.96
  6. Step 6: Final answer
    x = 39,178.81

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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.