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Finding the Fourth Proportional to 58.84, 88.08 and 56.68

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Solution

The fourth proportional to 58.84, 88.08 and 56.68 is: 84.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.84 : 88.08 = 56.68 : x
  2. Step 2: Convert to fraction form
    58.84/88.08 = 56.68/x
  3. Step 3: Cross multiply
    58.84x = 88.08 × 56.68
  4. Step 4: Simplify right side
    58.84x = 4,992.37
  5. Step 5: Solve for x
    x = 4,992.37/58.84
  6. Step 6: Final answer
    x = 84.85

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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.