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Finding the Fourth Proportional to 61,323.89, 91,987.65 and 26,240.76

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Solution

The fourth proportional to 61,323.89, 91,987.65 and 26,240.76 is: 39,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,323.89 : 91,987.65 = 26,240.76 : x
  2. Step 2: Convert to fraction form
    61,323.89/91,987.65 = 26,240.76/x
  3. Step 3: Cross multiply
    61,323.89x = 91,987.65 × 26,240.76
  4. Step 4: Simplify right side
    61,323.89x = 2,413,825,846.61
  5. Step 5: Solve for x
    x = 2,413,825,846.61/61,323.89
  6. Step 6: Final answer
    x = 39,361.92

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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.