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Finding the Fourth Proportional to 61,091.73, 91,637.73 and 16,718.94

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Solution

The fourth proportional to 61,091.73, 91,637.73 and 16,718.94 is: 25,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,091.73 : 91,637.73 = 16,718.94 : x
  2. Step 2: Convert to fraction form
    61,091.73/91,637.73 = 16,718.94/x
  3. Step 3: Cross multiply
    61,091.73x = 91,637.73 × 16,718.94
  4. Step 4: Simplify right side
    61,091.73x = 1,532,085,709.61
  5. Step 5: Solve for x
    x = 1,532,085,709.61/61,091.73
  6. Step 6: Final answer
    x = 25,078.45

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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.