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Finding the Fourth Proportional to 7,174.76, 9,901.04 and 4,380.26

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Solution

The fourth proportional to 7,174.76, 9,901.04 and 4,380.26 is: 6,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.76 : 9,901.04 = 4,380.26 : x
  2. Step 2: Convert to fraction form
    7,174.76/9,901.04 = 4,380.26/x
  3. Step 3: Cross multiply
    7,174.76x = 9,901.04 × 4,380.26
  4. Step 4: Simplify right side
    7,174.76x = 43,369,058.06
  5. Step 5: Solve for x
    x = 43,369,058.06/7,174.76
  6. Step 6: Final answer
    x = 6,044.67

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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.