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Finding the Fourth Proportional to 58.83, 88.24 and 31.76

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Solution

The fourth proportional to 58.83, 88.24 and 31.76 is: 47.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.83 : 88.24 = 31.76 : x
  2. Step 2: Convert to fraction form
    58.83/88.24 = 31.76/x
  3. Step 3: Cross multiply
    58.83x = 88.24 × 31.76
  4. Step 4: Simplify right side
    58.83x = 2,802.37
  5. Step 5: Solve for x
    x = 2,802.37/58.83
  6. Step 6: Final answer
    x = 47.64

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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.