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Finding the Fourth Proportional to 1,184.74, 1,635.87 and 963.34

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Solution

The fourth proportional to 1,184.74, 1,635.87 and 963.34 is: 1,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.74 : 1,635.87 = 963.34 : x
  2. Step 2: Convert to fraction form
    1,184.74/1,635.87 = 963.34/x
  3. Step 3: Cross multiply
    1,184.74x = 1,635.87 × 963.34
  4. Step 4: Simplify right side
    1,184.74x = 1,575,899.01
  5. Step 5: Solve for x
    x = 1,575,899.01/1,184.74
  6. Step 6: Final answer
    x = 1,330.16

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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.