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Finding the Fourth Proportional to 13,425.95, 18,526.47 and 8,046.96

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Solution

The fourth proportional to 13,425.95, 18,526.47 and 8,046.96 is: 11,104.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.95 : 18,526.47 = 8,046.96 : x
  2. Step 2: Convert to fraction form
    13,425.95/18,526.47 = 8,046.96/x
  3. Step 3: Cross multiply
    13,425.95x = 18,526.47 × 8,046.96
  4. Step 4: Simplify right side
    13,425.95x = 149,081,763.03
  5. Step 5: Solve for x
    x = 149,081,763.03/13,425.95
  6. Step 6: Final answer
    x = 11,104.01

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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.