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Finding the Fourth Proportional to 8,859.65, 13,281.23 and 7,022.57

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Solution

The fourth proportional to 8,859.65, 13,281.23 and 7,022.57 is: 10,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.65 : 13,281.23 = 7,022.57 : x
  2. Step 2: Convert to fraction form
    8,859.65/13,281.23 = 7,022.57/x
  3. Step 3: Cross multiply
    8,859.65x = 13,281.23 × 7,022.57
  4. Step 4: Simplify right side
    8,859.65x = 93,268,318.51
  5. Step 5: Solve for x
    x = 93,268,318.51/8,859.65
  6. Step 6: Final answer
    x = 10,527.32

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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.