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Finding the Fourth Proportional to 1,703.68, 2,556.27 and 924.25

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Solution

The fourth proportional to 1,703.68, 2,556.27 and 924.25 is: 1,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.68 : 2,556.27 = 924.25 : x
  2. Step 2: Convert to fraction form
    1,703.68/2,556.27 = 924.25/x
  3. Step 3: Cross multiply
    1,703.68x = 2,556.27 × 924.25
  4. Step 4: Simplify right side
    1,703.68x = 2,362,632.55
  5. Step 5: Solve for x
    x = 2,362,632.55/1,703.68
  6. Step 6: Final answer
    x = 1,386.78

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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.