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Finding the Fourth Proportional to 58.68, 88.00 and 49.64

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Solution

The fourth proportional to 58.68, 88.00 and 49.64 is: 74.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.68 : 88.00 = 49.64 : x
  2. Step 2: Convert to fraction form
    58.68/88.00 = 49.64/x
  3. Step 3: Cross multiply
    58.68x = 88.00 × 49.64
  4. Step 4: Simplify right side
    58.68x = 4,367.76
  5. Step 5: Solve for x
    x = 4,367.76/58.68
  6. Step 6: Final answer
    x = 74.43

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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.