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Finding the Fourth Proportional to 58.92, 88.01 and 57.02

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Solution

The fourth proportional to 58.92, 88.01 and 57.02 is: 85.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.92 : 88.01 = 57.02 : x
  2. Step 2: Convert to fraction form
    58.92/88.01 = 57.02/x
  3. Step 3: Cross multiply
    58.92x = 88.01 × 57.02
  4. Step 4: Simplify right side
    58.92x = 5,018.33
  5. Step 5: Solve for x
    x = 5,018.33/58.92
  6. Step 6: Final answer
    x = 85.17

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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.