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Finding the Fourth Proportional to 18,020.16, 24,868.80 and 10,568.16

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Solution

The fourth proportional to 18,020.16, 24,868.80 and 10,568.16 is: 14,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.16 : 24,868.80 = 10,568.16 : x
  2. Step 2: Convert to fraction form
    18,020.16/24,868.80 = 10,568.16/x
  3. Step 3: Cross multiply
    18,020.16x = 24,868.80 × 10,568.16
  4. Step 4: Simplify right side
    18,020.16x = 262,817,457.41
  5. Step 5: Solve for x
    x = 262,817,457.41/18,020.16
  6. Step 6: Final answer
    x = 14,584.64

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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.