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Finding the Fourth Proportional to 2,347.51, 3,520.75 and 703.62

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Solution

The fourth proportional to 2,347.51, 3,520.75 and 703.62 is: 1,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.51 : 3,520.75 = 703.62 : x
  2. Step 2: Convert to fraction form
    2,347.51/3,520.75 = 703.62/x
  3. Step 3: Cross multiply
    2,347.51x = 3,520.75 × 703.62
  4. Step 4: Simplify right side
    2,347.51x = 2,477,270.12
  5. Step 5: Solve for x
    x = 2,477,270.12/2,347.51
  6. Step 6: Final answer
    x = 1,055.28

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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.