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Finding the Fourth Proportional to 25.16, 34.65 and 24.19

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Solution

The fourth proportional to 25.16, 34.65 and 24.19 is: 33.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.16 : 34.65 = 24.19 : x
  2. Step 2: Convert to fraction form
    25.16/34.65 = 24.19/x
  3. Step 3: Cross multiply
    25.16x = 34.65 × 24.19
  4. Step 4: Simplify right side
    25.16x = 838.10
  5. Step 5: Solve for x
    x = 838.10/25.16
  6. Step 6: Final answer
    x = 33.32

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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.