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Finding the Fourth Proportional to 32.51, 48.95 and 23.55

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Solution

The fourth proportional to 32.51, 48.95 and 23.55 is: 35.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.51 : 48.95 = 23.55 : x
  2. Step 2: Convert to fraction form
    32.51/48.95 = 23.55/x
  3. Step 3: Cross multiply
    32.51x = 48.95 × 23.55
  4. Step 4: Simplify right side
    32.51x = 1,152.77
  5. Step 5: Solve for x
    x = 1,152.77/32.51
  6. Step 6: Final answer
    x = 35.46

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Why These Related Problems?

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