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Finding the Fourth Proportional to 24,831.79, 34,267.86 and 13,653.79

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Solution

The fourth proportional to 24,831.79, 34,267.86 and 13,653.79 is: 18,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,831.79 : 34,267.86 = 13,653.79 : x
  2. Step 2: Convert to fraction form
    24,831.79/34,267.86 = 13,653.79/x
  3. Step 3: Cross multiply
    24,831.79x = 34,267.86 × 13,653.79
  4. Step 4: Simplify right side
    24,831.79x = 467,886,164.19
  5. Step 5: Solve for x
    x = 467,886,164.19/24,831.79
  6. Step 6: Final answer
    x = 18,842.22

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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.