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Finding the Fourth Proportional to 953.01, 1,317.60 and 732.69

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Solution

The fourth proportional to 953.01, 1,317.60 and 732.69 is: 1,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.01 : 1,317.60 = 732.69 : x
  2. Step 2: Convert to fraction form
    953.01/1,317.60 = 732.69/x
  3. Step 3: Cross multiply
    953.01x = 1,317.60 × 732.69
  4. Step 4: Simplify right side
    953.01x = 965,392.34
  5. Step 5: Solve for x
    x = 965,392.34/953.01
  6. Step 6: Final answer
    x = 1,012.99

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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.