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Finding the Fourth Proportional to 9,210.71, 13,806.62 and 3,586.88

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Solution

The fourth proportional to 9,210.71, 13,806.62 and 3,586.88 is: 5,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.71 : 13,806.62 = 3,586.88 : x
  2. Step 2: Convert to fraction form
    9,210.71/13,806.62 = 3,586.88/x
  3. Step 3: Cross multiply
    9,210.71x = 13,806.62 × 3,586.88
  4. Step 4: Simplify right side
    9,210.71x = 49,522,719.18
  5. Step 5: Solve for x
    x = 49,522,719.18/9,210.71
  6. Step 6: Final answer
    x = 5,376.64

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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.