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Finding the Fourth Proportional to 15.07, 22.65 and 14.67

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Solution

The fourth proportional to 15.07, 22.65 and 14.67 is: 22.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.07 : 22.65 = 14.67 : x
  2. Step 2: Convert to fraction form
    15.07/22.65 = 14.67/x
  3. Step 3: Cross multiply
    15.07x = 22.65 × 14.67
  4. Step 4: Simplify right side
    15.07x = 332.28
  5. Step 5: Solve for x
    x = 332.28/15.07
  6. Step 6: Final answer
    x = 22.05

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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.