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Finding the Fourth Proportional to 32.99, 45.43 and 24.77

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Solution

The fourth proportional to 32.99, 45.43 and 24.77 is: 34.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.99 : 45.43 = 24.77 : x
  2. Step 2: Convert to fraction form
    32.99/45.43 = 24.77/x
  3. Step 3: Cross multiply
    32.99x = 45.43 × 24.77
  4. Step 4: Simplify right side
    32.99x = 1,125.35
  5. Step 5: Solve for x
    x = 1,125.35/32.99
  6. Step 6: Final answer
    x = 34.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.