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Finding the Fourth Proportional to 18,353.01, 25,322.80 and 10,799.67

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Solution

The fourth proportional to 18,353.01, 25,322.80 and 10,799.67 is: 14,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.01 : 25,322.80 = 10,799.67 : x
  2. Step 2: Convert to fraction form
    18,353.01/25,322.80 = 10,799.67/x
  3. Step 3: Cross multiply
    18,353.01x = 25,322.80 × 10,799.67
  4. Step 4: Simplify right side
    18,353.01x = 273,477,856.48
  5. Step 5: Solve for x
    x = 273,477,856.48/18,353.01
  6. Step 6: Final answer
    x = 14,900.98

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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.