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Finding the Fourth Proportional to 13,732.56, 18,951 and 7,444.92

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Solution

The fourth proportional to 13,732.56, 18,951 and 7,444.92 is: 10,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.56 : 18,951 = 7,444.92 : x
  2. Step 2: Convert to fraction form
    13,732.56/18,951 = 7,444.92/x
  3. Step 3: Cross multiply
    13,732.56x = 18,951 × 7,444.92
  4. Step 4: Simplify right side
    13,732.56x = 141,088,678.92
  5. Step 5: Solve for x
    x = 141,088,678.92/13,732.56
  6. Step 6: Final answer
    x = 10,274.03

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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.