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Finding the Fourth Proportional to 44.99, 62.03 and 31.14

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Solution

The fourth proportional to 44.99, 62.03 and 31.14 is: 42.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.99 : 62.03 = 31.14 : x
  2. Step 2: Convert to fraction form
    44.99/62.03 = 31.14/x
  3. Step 3: Cross multiply
    44.99x = 62.03 × 31.14
  4. Step 4: Simplify right side
    44.99x = 1,931.46
  5. Step 5: Solve for x
    x = 1,931.46/44.99
  6. Step 6: Final answer
    x = 42.94

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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.