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Finding the Fourth Proportional to 59.00, 88.51 and 30.10

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Solution

The fourth proportional to 59.00, 88.51 and 30.10 is: 45.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.00 : 88.51 = 30.10 : x
  2. Step 2: Convert to fraction form
    59.00/88.51 = 30.10/x
  3. Step 3: Cross multiply
    59.00x = 88.51 × 30.10
  4. Step 4: Simplify right side
    59.00x = 2,663.89
  5. Step 5: Solve for x
    x = 2,663.89/59.00
  6. Step 6: Final answer
    x = 45.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.