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Finding the Fourth Proportional to 1,884.51, 2,601.51 and 1,256.09

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Solution

The fourth proportional to 1,884.51, 2,601.51 and 1,256.09 is: 1,733.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.51 : 2,601.51 = 1,256.09 : x
  2. Step 2: Convert to fraction form
    1,884.51/2,601.51 = 1,256.09/x
  3. Step 3: Cross multiply
    1,884.51x = 2,601.51 × 1,256.09
  4. Step 4: Simplify right side
    1,884.51x = 3,267,717.69
  5. Step 5: Solve for x
    x = 3,267,717.69/1,884.51
  6. Step 6: Final answer
    x = 1,733.99

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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.