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Finding the Fourth Proportional to 38,487.88, 57,863.58 and 35,602.12

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Solution

The fourth proportional to 38,487.88, 57,863.58 and 35,602.12 is: 53,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487.88 : 57,863.58 = 35,602.12 : x
  2. Step 2: Convert to fraction form
    38,487.88/57,863.58 = 35,602.12/x
  3. Step 3: Cross multiply
    38,487.88x = 57,863.58 × 35,602.12
  4. Step 4: Simplify right side
    38,487.88x = 2,060,066,118.79
  5. Step 5: Solve for x
    x = 2,060,066,118.79/38,487.88
  6. Step 6: Final answer
    x = 53,525.06

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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.