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Finding the Fourth Proportional to 1,712.94, 2,365.02 and 1,124.48

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Solution

The fourth proportional to 1,712.94, 2,365.02 and 1,124.48 is: 1,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.94 : 2,365.02 = 1,124.48 : x
  2. Step 2: Convert to fraction form
    1,712.94/2,365.02 = 1,124.48/x
  3. Step 3: Cross multiply
    1,712.94x = 2,365.02 × 1,124.48
  4. Step 4: Simplify right side
    1,712.94x = 2,659,417.69
  5. Step 5: Solve for x
    x = 2,659,417.69/1,712.94
  6. Step 6: Final answer
    x = 1,552.55

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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.