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Finding the Fourth Proportional to 75.35, 112.99 and 32.01

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Solution

The fourth proportional to 75.35, 112.99 and 32.01 is: 48.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.35 : 112.99 = 32.01 : x
  2. Step 2: Convert to fraction form
    75.35/112.99 = 32.01/x
  3. Step 3: Cross multiply
    75.35x = 112.99 × 32.01
  4. Step 4: Simplify right side
    75.35x = 3,616.91
  5. Step 5: Solve for x
    x = 3,616.91/75.35
  6. Step 6: Final answer
    x = 48.00

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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.