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Finding the Fourth Proportional to 9,458.72, 13,024.56 and 8,904.56

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Solution

The fourth proportional to 9,458.72, 13,024.56 and 8,904.56 is: 12,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,458.72 : 13,024.56 = 8,904.56 : x
  2. Step 2: Convert to fraction form
    9,458.72/13,024.56 = 8,904.56/x
  3. Step 3: Cross multiply
    9,458.72x = 13,024.56 × 8,904.56
  4. Step 4: Simplify right side
    9,458.72x = 115,977,975.99
  5. Step 5: Solve for x
    x = 115,977,975.99/9,458.72
  6. Step 6: Final answer
    x = 12,261.49

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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.