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Finding the Fourth Proportional to 1,164.24, 1,739.64 and 880.95

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Solution

The fourth proportional to 1,164.24, 1,739.64 and 880.95 is: 1,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.24 : 1,739.64 = 880.95 : x
  2. Step 2: Convert to fraction form
    1,164.24/1,739.64 = 880.95/x
  3. Step 3: Cross multiply
    1,164.24x = 1,739.64 × 880.95
  4. Step 4: Simplify right side
    1,164.24x = 1,532,535.86
  5. Step 5: Solve for x
    x = 1,532,535.86/1,164.24
  6. Step 6: Final answer
    x = 1,316.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.