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Finding the Fourth Proportional to 1,556.94, 2,335.76 and 583.05

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Solution

The fourth proportional to 1,556.94, 2,335.76 and 583.05 is: 874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.94 : 2,335.76 = 583.05 : x
  2. Step 2: Convert to fraction form
    1,556.94/2,335.76 = 583.05/x
  3. Step 3: Cross multiply
    1,556.94x = 2,335.76 × 583.05
  4. Step 4: Simplify right side
    1,556.94x = 1,361,864.87
  5. Step 5: Solve for x
    x = 1,361,864.87/1,556.94
  6. Step 6: Final answer
    x = 874.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.