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Finding the Fourth Proportional to 63, 94.50 and 26.93

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Solution

The fourth proportional to 63, 94.50 and 26.93 is: 40.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63 : 94.50 = 26.93 : x
  2. Step 2: Convert to fraction form
    63/94.50 = 26.93/x
  3. Step 3: Cross multiply
    63x = 94.50 × 26.93
  4. Step 4: Simplify right side
    63x = 2,545.12
  5. Step 5: Solve for x
    x = 2,545.12/63
  6. Step 6: Final answer
    x = 40.40

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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.