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Finding the Fourth Proportional to 61,707.40, 92,327.10 and 40,971.40

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Solution

The fourth proportional to 61,707.40, 92,327.10 and 40,971.40 is: 61,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,707.40 : 92,327.10 = 40,971.40 : x
  2. Step 2: Convert to fraction form
    61,707.40/92,327.10 = 40,971.40/x
  3. Step 3: Cross multiply
    61,707.40x = 92,327.10 × 40,971.40
  4. Step 4: Simplify right side
    61,707.40x = 3,782,770,544.94
  5. Step 5: Solve for x
    x = 3,782,770,544.94/61,707.40
  6. Step 6: Final answer
    x = 61,301.73

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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.