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Finding the Fourth Proportional to 59.02, 88.44 and 43

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Solution

The fourth proportional to 59.02, 88.44 and 43 is: 64.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.02 : 88.44 = 43 : x
  2. Step 2: Convert to fraction form
    59.02/88.44 = 43/x
  3. Step 3: Cross multiply
    59.02x = 88.44 × 43
  4. Step 4: Simplify right side
    59.02x = 3,802.92
  5. Step 5: Solve for x
    x = 3,802.92/59.02
  6. Step 6: Final answer
    x = 64.43

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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.