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Finding the Fourth Proportional to 951.41, 1,309.75 and 846.34

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Solution

The fourth proportional to 951.41, 1,309.75 and 846.34 is: 1,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.41 : 1,309.75 = 846.34 : x
  2. Step 2: Convert to fraction form
    951.41/1,309.75 = 846.34/x
  3. Step 3: Cross multiply
    951.41x = 1,309.75 × 846.34
  4. Step 4: Simplify right side
    951.41x = 1,108,488.42
  5. Step 5: Solve for x
    x = 1,108,488.42/951.41
  6. Step 6: Final answer
    x = 1,165.10

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1.5x scale

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.