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Finding the Fourth Proportional to 18,624.96, 25,700.93 and 10,967.03

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Solution

The fourth proportional to 18,624.96, 25,700.93 and 10,967.03 is: 15,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.96 : 25,700.93 = 10,967.03 : x
  2. Step 2: Convert to fraction form
    18,624.96/25,700.93 = 10,967.03/x
  3. Step 3: Cross multiply
    18,624.96x = 25,700.93 × 10,967.03
  4. Step 4: Simplify right side
    18,624.96x = 281,862,687.00
  5. Step 5: Solve for x
    x = 281,862,687.00/18,624.96
  6. Step 6: Final answer
    x = 15,133.60

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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.