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Finding the Fourth Proportional to 9,367.02, 12,924.54 and 5,485.73

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Solution

The fourth proportional to 9,367.02, 12,924.54 and 5,485.73 is: 7,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,367.02 : 12,924.54 = 5,485.73 : x
  2. Step 2: Convert to fraction form
    9,367.02/12,924.54 = 5,485.73/x
  3. Step 3: Cross multiply
    9,367.02x = 12,924.54 × 5,485.73
  4. Step 4: Simplify right side
    9,367.02x = 70,900,472.19
  5. Step 5: Solve for x
    x = 70,900,472.19/9,367.02
  6. Step 6: Final answer
    x = 7,569.16

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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.