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Finding the Fourth Proportional to 13,068.96, 18,025.97 and 8,035.94

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Solution

The fourth proportional to 13,068.96, 18,025.97 and 8,035.94 is: 11,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.96 : 18,025.97 = 8,035.94 : x
  2. Step 2: Convert to fraction form
    13,068.96/18,025.97 = 8,035.94/x
  3. Step 3: Cross multiply
    13,068.96x = 18,025.97 × 8,035.94
  4. Step 4: Simplify right side
    13,068.96x = 144,855,483.05
  5. Step 5: Solve for x
    x = 144,855,483.05/13,068.96
  6. Step 6: Final answer
    x = 11,083.93

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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.