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Finding the Fourth Proportional to 60.99, 91.50 and 32.08

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Solution

The fourth proportional to 60.99, 91.50 and 32.08 is: 48.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.99 : 91.50 = 32.08 : x
  2. Step 2: Convert to fraction form
    60.99/91.50 = 32.08/x
  3. Step 3: Cross multiply
    60.99x = 91.50 × 32.08
  4. Step 4: Simplify right side
    60.99x = 2,935.32
  5. Step 5: Solve for x
    x = 2,935.32/60.99
  6. Step 6: Final answer
    x = 48.13

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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.