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Finding the Fourth Proportional to 9,475.90, 14,222.31 and 9,440.62

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Solution

The fourth proportional to 9,475.90, 14,222.31 and 9,440.62 is: 14,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,475.90 : 14,222.31 = 9,440.62 : x
  2. Step 2: Convert to fraction form
    9,475.90/14,222.31 = 9,440.62/x
  3. Step 3: Cross multiply
    9,475.90x = 14,222.31 × 9,440.62
  4. Step 4: Simplify right side
    9,475.90x = 134,267,424.23
  5. Step 5: Solve for x
    x = 134,267,424.23/9,475.90
  6. Step 6: Final answer
    x = 14,169.36

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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.