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Finding the Fourth Proportional to 10,518.11, 14,515.03 and 5,802.39

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Solution

The fourth proportional to 10,518.11, 14,515.03 and 5,802.39 is: 8,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.11 : 14,515.03 = 5,802.39 : x
  2. Step 2: Convert to fraction form
    10,518.11/14,515.03 = 5,802.39/x
  3. Step 3: Cross multiply
    10,518.11x = 14,515.03 × 5,802.39
  4. Step 4: Simplify right side
    10,518.11x = 84,221,806.85
  5. Step 5: Solve for x
    x = 84,221,806.85/10,518.11
  6. Step 6: Final answer
    x = 8,007.32

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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.