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Finding the Fourth Proportional to 2,552.47, 3,828.64 and 703.57

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Solution

The fourth proportional to 2,552.47, 3,828.64 and 703.57 is: 1,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.47 : 3,828.64 = 703.57 : x
  2. Step 2: Convert to fraction form
    2,552.47/3,828.64 = 703.57/x
  3. Step 3: Cross multiply
    2,552.47x = 3,828.64 × 703.57
  4. Step 4: Simplify right side
    2,552.47x = 2,693,716.24
  5. Step 5: Solve for x
    x = 2,693,716.24/2,552.47
  6. Step 6: Final answer
    x = 1,055.34

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1.5x scale

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.