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Finding the Fourth Proportional to 56.10, 84.12 and 24

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Solution

The fourth proportional to 56.10, 84.12 and 24 is: 35.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.10 : 84.12 = 24 : x
  2. Step 2: Convert to fraction form
    56.10/84.12 = 24/x
  3. Step 3: Cross multiply
    56.10x = 84.12 × 24
  4. Step 4: Simplify right side
    56.10x = 2,018.88
  5. Step 5: Solve for x
    x = 2,018.88/56.10
  6. Step 6: Final answer
    x = 35.99

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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.