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Finding the Fourth Proportional to 3,166.72, 4,750.14 and 975.44

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Solution

The fourth proportional to 3,166.72, 4,750.14 and 975.44 is: 1,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.72 : 4,750.14 = 975.44 : x
  2. Step 2: Convert to fraction form
    3,166.72/4,750.14 = 975.44/x
  3. Step 3: Cross multiply
    3,166.72x = 4,750.14 × 975.44
  4. Step 4: Simplify right side
    3,166.72x = 4,633,492.09
  5. Step 5: Solve for x
    x = 4,633,492.09/3,166.72
  6. Step 6: Final answer
    x = 1,463.18

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1.5x scale

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.