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Finding the Fourth Proportional to 17,490.22, 24,133.74 and 9,831.98

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Solution

The fourth proportional to 17,490.22, 24,133.74 and 9,831.98 is: 13,566.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.22 : 24,133.74 = 9,831.98 : x
  2. Step 2: Convert to fraction form
    17,490.22/24,133.74 = 9,831.98/x
  3. Step 3: Cross multiply
    17,490.22x = 24,133.74 × 9,831.98
  4. Step 4: Simplify right side
    17,490.22x = 237,282,449.01
  5. Step 5: Solve for x
    x = 237,282,449.01/17,490.22
  6. Step 6: Final answer
    x = 13,566.58

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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.