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Finding the Fourth Proportional to 39.76, 59.93 and 37.15

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Solution

The fourth proportional to 39.76, 59.93 and 37.15 is: 56.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.76 : 59.93 = 37.15 : x
  2. Step 2: Convert to fraction form
    39.76/59.93 = 37.15/x
  3. Step 3: Cross multiply
    39.76x = 59.93 × 37.15
  4. Step 4: Simplify right side
    39.76x = 2,226.41
  5. Step 5: Solve for x
    x = 2,226.41/39.76
  6. Step 6: Final answer
    x = 56.00

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.