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Finding the Fourth Proportional to 9,000.58, 13,456.50 and 7,629.25

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Solution

The fourth proportional to 9,000.58, 13,456.50 and 7,629.25 is: 11,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.58 : 13,456.50 = 7,629.25 : x
  2. Step 2: Convert to fraction form
    9,000.58/13,456.50 = 7,629.25/x
  3. Step 3: Cross multiply
    9,000.58x = 13,456.50 × 7,629.25
  4. Step 4: Simplify right side
    9,000.58x = 102,663,002.63
  5. Step 5: Solve for x
    x = 102,663,002.63/9,000.58
  6. Step 6: Final answer
    x = 11,406.27

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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.