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Finding the Fourth Proportional to 34.76, 48 and 25.10

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Solution

The fourth proportional to 34.76, 48 and 25.10 is: 34.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.76 : 48 = 25.10 : x
  2. Step 2: Convert to fraction form
    34.76/48 = 25.10/x
  3. Step 3: Cross multiply
    34.76x = 48 × 25.10
  4. Step 4: Simplify right side
    34.76x = 1,204.80
  5. Step 5: Solve for x
    x = 1,204.80/34.76
  6. Step 6: Final answer
    x = 34.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.