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Finding the Fourth Proportional to 7,174.03, 9,898.53 and 4,341.33

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Solution

The fourth proportional to 7,174.03, 9,898.53 and 4,341.33 is: 5,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.03 : 9,898.53 = 4,341.33 : x
  2. Step 2: Convert to fraction form
    7,174.03/9,898.53 = 4,341.33/x
  3. Step 3: Cross multiply
    7,174.03x = 9,898.53 × 4,341.33
  4. Step 4: Simplify right side
    7,174.03x = 42,972,785.24
  5. Step 5: Solve for x
    x = 42,972,785.24/7,174.03
  6. Step 6: Final answer
    x = 5,990.05

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1.5x scale

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.