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Finding the Fourth Proportional to 42.23, 58.35 and 37.01

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Solution

The fourth proportional to 42.23, 58.35 and 37.01 is: 51.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42.23 : 58.35 = 37.01 : x
  2. Step 2: Convert to fraction form
    42.23/58.35 = 37.01/x
  3. Step 3: Cross multiply
    42.23x = 58.35 × 37.01
  4. Step 4: Simplify right side
    42.23x = 2,159.24
  5. Step 5: Solve for x
    x = 2,159.24/42.23
  6. Step 6: Final answer
    x = 51.14

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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.