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Finding the Fourth Proportional to 2,174.99, 3,263.22 and 714.24

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Solution

The fourth proportional to 2,174.99, 3,263.22 and 714.24 is: 1,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.99 : 3,263.22 = 714.24 : x
  2. Step 2: Convert to fraction form
    2,174.99/3,263.22 = 714.24/x
  3. Step 3: Cross multiply
    2,174.99x = 3,263.22 × 714.24
  4. Step 4: Simplify right side
    2,174.99x = 2,330,722.25
  5. Step 5: Solve for x
    x = 2,330,722.25/2,174.99
  6. Step 6: Final answer
    x = 1,071.60

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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.