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Finding the Fourth Proportional to 15,009.21, 22,527.93 and 7,618.97

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Solution

The fourth proportional to 15,009.21, 22,527.93 and 7,618.97 is: 11,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.21 : 22,527.93 = 7,618.97 : x
  2. Step 2: Convert to fraction form
    15,009.21/22,527.93 = 7,618.97/x
  3. Step 3: Cross multiply
    15,009.21x = 22,527.93 × 7,618.97
  4. Step 4: Simplify right side
    15,009.21x = 171,639,510.19
  5. Step 5: Solve for x
    x = 171,639,510.19/15,009.21
  6. Step 6: Final answer
    x = 11,435.61

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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.