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Finding the Fourth Proportional to 32.47, 48.70 and 26.06

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Solution

The fourth proportional to 32.47, 48.70 and 26.06 is: 39.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.47 : 48.70 = 26.06 : x
  2. Step 2: Convert to fraction form
    32.47/48.70 = 26.06/x
  3. Step 3: Cross multiply
    32.47x = 48.70 × 26.06
  4. Step 4: Simplify right side
    32.47x = 1,268.91
  5. Step 5: Solve for x
    x = 1,268.91/32.47
  6. Step 6: Final answer
    x = 39.08

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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.