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Finding the Fourth Proportional to 23,803.68, 35,679.72 and 15,489.64

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Solution

The fourth proportional to 23,803.68, 35,679.72 and 15,489.64 is: 23,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,803.68 : 35,679.72 = 15,489.64 : x
  2. Step 2: Convert to fraction form
    23,803.68/35,679.72 = 15,489.64/x
  3. Step 3: Cross multiply
    23,803.68x = 35,679.72 × 15,489.64
  4. Step 4: Simplify right side
    23,803.68x = 552,666,018.10
  5. Step 5: Solve for x
    x = 552,666,018.10/23,803.68
  6. Step 6: Final answer
    x = 23,217.67

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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.