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Finding the Fourth Proportional to 14,748.65, 20,352.84 and 8,034.20

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Solution

The fourth proportional to 14,748.65, 20,352.84 and 8,034.20 is: 11,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.65 : 20,352.84 = 8,034.20 : x
  2. Step 2: Convert to fraction form
    14,748.65/20,352.84 = 8,034.20/x
  3. Step 3: Cross multiply
    14,748.65x = 20,352.84 × 8,034.20
  4. Step 4: Simplify right side
    14,748.65x = 163,518,685.36
  5. Step 5: Solve for x
    x = 163,518,685.36/14,748.65
  6. Step 6: Final answer
    x = 11,087.03

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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.