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Finding the Fourth Proportional to 1,850.64, 2,760.36 and 1,573.64

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Solution

The fourth proportional to 1,850.64, 2,760.36 and 1,573.64 is: 2,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.64 : 2,760.36 = 1,573.64 : x
  2. Step 2: Convert to fraction form
    1,850.64/2,760.36 = 1,573.64/x
  3. Step 3: Cross multiply
    1,850.64x = 2,760.36 × 1,573.64
  4. Step 4: Simplify right side
    1,850.64x = 4,343,812.91
  5. Step 5: Solve for x
    x = 4,343,812.91/1,850.64
  6. Step 6: Final answer
    x = 2,347.19

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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.