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Finding the Fourth Proportional to 59.01, 88.43 and 45.51

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Solution

The fourth proportional to 59.01, 88.43 and 45.51 is: 68.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.01 : 88.43 = 45.51 : x
  2. Step 2: Convert to fraction form
    59.01/88.43 = 45.51/x
  3. Step 3: Cross multiply
    59.01x = 88.43 × 45.51
  4. Step 4: Simplify right side
    59.01x = 4,024.22
  5. Step 5: Solve for x
    x = 4,024.22/59.01
  6. Step 6: Final answer
    x = 68.20

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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.