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Finding the Fourth Proportional to 951.19, 1,424.88 and 625.57

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Solution

The fourth proportional to 951.19, 1,424.88 and 625.57 is: 937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.19 : 1,424.88 = 625.57 : x
  2. Step 2: Convert to fraction form
    951.19/1,424.88 = 625.57/x
  3. Step 3: Cross multiply
    951.19x = 1,424.88 × 625.57
  4. Step 4: Simplify right side
    951.19x = 891,362.18
  5. Step 5: Solve for x
    x = 891,362.18/951.19
  6. Step 6: Final answer
    x = 937.10

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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.