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Finding the Fourth Proportional to 14,353.62, 21,527.19 and 5,119.62

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Solution

The fourth proportional to 14,353.62, 21,527.19 and 5,119.62 is: 7,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.62 : 21,527.19 = 5,119.62 : x
  2. Step 2: Convert to fraction form
    14,353.62/21,527.19 = 5,119.62/x
  3. Step 3: Cross multiply
    14,353.62x = 21,527.19 × 5,119.62
  4. Step 4: Simplify right side
    14,353.62x = 110,211,032.47
  5. Step 5: Solve for x
    x = 110,211,032.47/14,353.62
  6. Step 6: Final answer
    x = 7,678.27

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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.