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Finding the Fourth Proportional to 14,748.92, 20,352.89 and 8,034.51

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Solution

The fourth proportional to 14,748.92, 20,352.89 and 8,034.51 is: 11,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.92 : 20,352.89 = 8,034.51 : x
  2. Step 2: Convert to fraction form
    14,748.92/20,352.89 = 8,034.51/x
  3. Step 3: Cross multiply
    14,748.92x = 20,352.89 × 8,034.51
  4. Step 4: Simplify right side
    14,748.92x = 163,525,458.06
  5. Step 5: Solve for x
    x = 163,525,458.06/14,748.92
  6. Step 6: Final answer
    x = 11,087.29

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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.