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Finding the Fourth Proportional to 1,453.94, 2,007.20 and 1,167.24

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Solution

The fourth proportional to 1,453.94, 2,007.20 and 1,167.24 is: 1,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.94 : 2,007.20 = 1,167.24 : x
  2. Step 2: Convert to fraction form
    1,453.94/2,007.20 = 1,167.24/x
  3. Step 3: Cross multiply
    1,453.94x = 2,007.20 × 1,167.24
  4. Step 4: Simplify right side
    1,453.94x = 2,342,873.53
  5. Step 5: Solve for x
    x = 2,342,873.53/1,453.94
  6. Step 6: Final answer
    x = 1,611.40

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Find fourth proportional to 1,454.94, 2,008.58 and 1,168.24
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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.