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Finding the Fourth Proportional to 38,492.88, 57,871.08 and 35,607.12

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Solution

The fourth proportional to 38,492.88, 57,871.08 and 35,607.12 is: 53,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,492.88 : 57,871.08 = 35,607.12 : x
  2. Step 2: Convert to fraction form
    38,492.88/57,871.08 = 35,607.12/x
  3. Step 3: Cross multiply
    38,492.88x = 57,871.08 × 35,607.12
  4. Step 4: Simplify right side
    38,492.88x = 2,060,622,490.09
  5. Step 5: Solve for x
    x = 2,060,622,490.09/38,492.88
  6. Step 6: Final answer
    x = 53,532.56

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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.