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Finding the Fourth Proportional to 59.51, 89.37 and 46.69

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Solution

The fourth proportional to 59.51, 89.37 and 46.69 is: 70.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.51 : 89.37 = 46.69 : x
  2. Step 2: Convert to fraction form
    59.51/89.37 = 46.69/x
  3. Step 3: Cross multiply
    59.51x = 89.37 × 46.69
  4. Step 4: Simplify right side
    59.51x = 4,172.24
  5. Step 5: Solve for x
    x = 4,172.24/59.51
  6. Step 6: Final answer
    x = 70.11

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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.