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Finding the Fourth Proportional to 58.96, 88.12 and 46.81

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Solution

The fourth proportional to 58.96, 88.12 and 46.81 is: 69.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.96 : 88.12 = 46.81 : x
  2. Step 2: Convert to fraction form
    58.96/88.12 = 46.81/x
  3. Step 3: Cross multiply
    58.96x = 88.12 × 46.81
  4. Step 4: Simplify right side
    58.96x = 4,124.90
  5. Step 5: Solve for x
    x = 4,124.90/58.96
  6. Step 6: Final answer
    x = 69.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.