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Finding the Fourth Proportional to 965.52, 1,332.62 and 650.99

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Solution

The fourth proportional to 965.52, 1,332.62 and 650.99 is: 898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.52 : 1,332.62 = 650.99 : x
  2. Step 2: Convert to fraction form
    965.52/1,332.62 = 650.99/x
  3. Step 3: Cross multiply
    965.52x = 1,332.62 × 650.99
  4. Step 4: Simplify right side
    965.52x = 867,512.38
  5. Step 5: Solve for x
    x = 867,512.38/965.52
  6. Step 6: Final answer
    x = 898.49

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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.