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Finding the Fourth Proportional to 15,093.40, 22,661.70 and 8,532.40

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Solution

The fourth proportional to 15,093.40, 22,661.70 and 8,532.40 is: 12,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,093.40 : 22,661.70 = 8,532.40 : x
  2. Step 2: Convert to fraction form
    15,093.40/22,661.70 = 8,532.40/x
  3. Step 3: Cross multiply
    15,093.40x = 22,661.70 × 8,532.40
  4. Step 4: Simplify right side
    15,093.40x = 193,358,689.08
  5. Step 5: Solve for x
    x = 193,358,689.08/15,093.40
  6. Step 6: Final answer
    x = 12,810.81

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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.