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Finding the Fourth Proportional to 10,530.81, 14,532.03 and 5,814.99

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Solution

The fourth proportional to 10,530.81, 14,532.03 and 5,814.99 is: 8,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.81 : 14,532.03 = 5,814.99 : x
  2. Step 2: Convert to fraction form
    10,530.81/14,532.03 = 5,814.99/x
  3. Step 3: Cross multiply
    10,530.81x = 14,532.03 × 5,814.99
  4. Step 4: Simplify right side
    10,530.81x = 84,503,609.13
  5. Step 5: Solve for x
    x = 84,503,609.13/10,530.81
  6. Step 6: Final answer
    x = 8,024.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.