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Finding the Fourth Proportional to 1,833.54, 2,530.62 and 1,170.60

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Solution

The fourth proportional to 1,833.54, 2,530.62 and 1,170.60 is: 1,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.54 : 2,530.62 = 1,170.60 : x
  2. Step 2: Convert to fraction form
    1,833.54/2,530.62 = 1,170.60/x
  3. Step 3: Cross multiply
    1,833.54x = 2,530.62 × 1,170.60
  4. Step 4: Simplify right side
    1,833.54x = 2,962,343.77
  5. Step 5: Solve for x
    x = 2,962,343.77/1,833.54
  6. Step 6: Final answer
    x = 1,615.64

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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.