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Finding the Fourth Proportional to 9,299.54, 12,831.81 and 5,573.54

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Solution

The fourth proportional to 9,299.54, 12,831.81 and 5,573.54 is: 7,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.54 : 12,831.81 = 5,573.54 : x
  2. Step 2: Convert to fraction form
    9,299.54/12,831.81 = 5,573.54/x
  3. Step 3: Cross multiply
    9,299.54x = 12,831.81 × 5,573.54
  4. Step 4: Simplify right side
    9,299.54x = 71,518,606.31
  5. Step 5: Solve for x
    x = 71,518,606.31/9,299.54
  6. Step 6: Final answer
    x = 7,690.55

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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.