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Finding the Fourth Proportional to 15,901.64, 23,825.93 and 7,003.72

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Solution

The fourth proportional to 15,901.64, 23,825.93 and 7,003.72 is: 10,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,901.64 : 23,825.93 = 7,003.72 : x
  2. Step 2: Convert to fraction form
    15,901.64/23,825.93 = 7,003.72/x
  3. Step 3: Cross multiply
    15,901.64x = 23,825.93 × 7,003.72
  4. Step 4: Simplify right side
    15,901.64x = 166,870,142.46
  5. Step 5: Solve for x
    x = 166,870,142.46/15,901.64
  6. Step 6: Final answer
    x = 10,493.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.