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Finding the Fourth Proportional to 14,698.71, 22,040.78 and 4,831.70

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Solution

The fourth proportional to 14,698.71, 22,040.78 and 4,831.70 is: 7,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,698.71 : 22,040.78 = 4,831.70 : x
  2. Step 2: Convert to fraction form
    14,698.71/22,040.78 = 4,831.70/x
  3. Step 3: Cross multiply
    14,698.71x = 22,040.78 × 4,831.70
  4. Step 4: Simplify right side
    14,698.71x = 106,494,302.36
  5. Step 5: Solve for x
    x = 106,494,302.36/14,698.71
  6. Step 6: Final answer
    x = 7,245.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.