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Finding the Fourth Proportional to 67.48, 93 and 51.04

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Solution

The fourth proportional to 67.48, 93 and 51.04 is: 70.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.48 : 93 = 51.04 : x
  2. Step 2: Convert to fraction form
    67.48/93 = 51.04/x
  3. Step 3: Cross multiply
    67.48x = 93 × 51.04
  4. Step 4: Simplify right side
    67.48x = 4,746.72
  5. Step 5: Solve for x
    x = 4,746.72/67.48
  6. Step 6: Final answer
    x = 70.34

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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.