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Finding the Fourth Proportional to 1,831.37, 2,527.26 and 992.06

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Solution

The fourth proportional to 1,831.37, 2,527.26 and 992.06 is: 1,369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.37 : 2,527.26 = 992.06 : x
  2. Step 2: Convert to fraction form
    1,831.37/2,527.26 = 992.06/x
  3. Step 3: Cross multiply
    1,831.37x = 2,527.26 × 992.06
  4. Step 4: Simplify right side
    1,831.37x = 2,507,180.92
  5. Step 5: Solve for x
    x = 2,507,180.92/1,831.37
  6. Step 6: Final answer
    x = 1,369.02

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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.