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Finding the Fourth Proportional to 59.10, 88.28 and 48.93

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Solution

The fourth proportional to 59.10, 88.28 and 48.93 is: 73.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.10 : 88.28 = 48.93 : x
  2. Step 2: Convert to fraction form
    59.10/88.28 = 48.93/x
  3. Step 3: Cross multiply
    59.10x = 88.28 × 48.93
  4. Step 4: Simplify right side
    59.10x = 4,319.30
  5. Step 5: Solve for x
    x = 4,319.30/59.10
  6. Step 6: Final answer
    x = 73.08

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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.