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Finding the Fourth Proportional to 9,152.54, 13,727.15 and 2,913.22

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Solution

The fourth proportional to 9,152.54, 13,727.15 and 2,913.22 is: 4,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.54 : 13,727.15 = 2,913.22 : x
  2. Step 2: Convert to fraction form
    9,152.54/13,727.15 = 2,913.22/x
  3. Step 3: Cross multiply
    9,152.54x = 13,727.15 × 2,913.22
  4. Step 4: Simplify right side
    9,152.54x = 39,990,207.92
  5. Step 5: Solve for x
    x = 39,990,207.92/9,152.54
  6. Step 6: Final answer
    x = 4,369.30

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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.