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Finding the Fourth Proportional to 57,076.74, 85,623.30 and 17,637.30

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Solution

The fourth proportional to 57,076.74, 85,623.30 and 17,637.30 is: 26,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,076.74 : 85,623.30 = 17,637.30 : x
  2. Step 2: Convert to fraction form
    57,076.74/85,623.30 = 17,637.30/x
  3. Step 3: Cross multiply
    57,076.74x = 85,623.30 × 17,637.30
  4. Step 4: Simplify right side
    57,076.74x = 1,510,163,829.09
  5. Step 5: Solve for x
    x = 1,510,163,829.09/57,076.74
  6. Step 6: Final answer
    x = 26,458.48

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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.