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Finding the Fourth Proportional to 14,568.51, 21,852.78 and 6,243.15

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Solution

The fourth proportional to 14,568.51, 21,852.78 and 6,243.15 is: 9,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.51 : 21,852.78 = 6,243.15 : x
  2. Step 2: Convert to fraction form
    14,568.51/21,852.78 = 6,243.15/x
  3. Step 3: Cross multiply
    14,568.51x = 21,852.78 × 6,243.15
  4. Step 4: Simplify right side
    14,568.51x = 136,430,183.46
  5. Step 5: Solve for x
    x = 136,430,183.46/14,568.51
  6. Step 6: Final answer
    x = 9,364.73

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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.