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Finding the Fourth Proportional to 74.03, 110.93 and 46.98

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Solution

The fourth proportional to 74.03, 110.93 and 46.98 is: 70.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74.03 : 110.93 = 46.98 : x
  2. Step 2: Convert to fraction form
    74.03/110.93 = 46.98/x
  3. Step 3: Cross multiply
    74.03x = 110.93 × 46.98
  4. Step 4: Simplify right side
    74.03x = 5,211.26
  5. Step 5: Solve for x
    x = 5,211.26/74.03
  6. Step 6: Final answer
    x = 70.40

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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.