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Finding the Fourth Proportional to 2,347.04, 3,519.68 and 703.64

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Solution

The fourth proportional to 2,347.04, 3,519.68 and 703.64 is: 1,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.04 : 3,519.68 = 703.64 : x
  2. Step 2: Convert to fraction form
    2,347.04/3,519.68 = 703.64/x
  3. Step 3: Cross multiply
    2,347.04x = 3,519.68 × 703.64
  4. Step 4: Simplify right side
    2,347.04x = 2,476,587.64
  5. Step 5: Solve for x
    x = 2,476,587.64/2,347.04
  6. Step 6: Final answer
    x = 1,055.20

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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.