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Finding the Fourth Proportional to 58.16, 87.26 and 22.07

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Solution

The fourth proportional to 58.16, 87.26 and 22.07 is: 33.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.16 : 87.26 = 22.07 : x
  2. Step 2: Convert to fraction form
    58.16/87.26 = 22.07/x
  3. Step 3: Cross multiply
    58.16x = 87.26 × 22.07
  4. Step 4: Simplify right side
    58.16x = 1,925.94
  5. Step 5: Solve for x
    x = 1,925.94/58.16
  6. Step 6: Final answer
    x = 33.11

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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.