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Finding the Fourth Proportional to 59.65, 88.83 and 56.16

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Solution

The fourth proportional to 59.65, 88.83 and 56.16 is: 83.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.65 : 88.83 = 56.16 : x
  2. Step 2: Convert to fraction form
    59.65/88.83 = 56.16/x
  3. Step 3: Cross multiply
    59.65x = 88.83 × 56.16
  4. Step 4: Simplify right side
    59.65x = 4,988.69
  5. Step 5: Solve for x
    x = 4,988.69/59.65
  6. Step 6: Final answer
    x = 83.63

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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.