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Finding the Fourth Proportional to 32,603.91, 48,872.78 and 18,534.87

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Solution

The fourth proportional to 32,603.91, 48,872.78 and 18,534.87 is: 27,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,603.91 : 48,872.78 = 18,534.87 : x
  2. Step 2: Convert to fraction form
    32,603.91/48,872.78 = 18,534.87/x
  3. Step 3: Cross multiply
    32,603.91x = 48,872.78 × 18,534.87
  4. Step 4: Simplify right side
    32,603.91x = 905,850,531.16
  5. Step 5: Solve for x
    x = 905,850,531.16/32,603.91
  6. Step 6: Final answer
    x = 27,783.49

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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.