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Finding the Fourth Proportional to 18,557.92, 25,609.40 and 10,599.98

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Solution

The fourth proportional to 18,557.92, 25,609.40 and 10,599.98 is: 14,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.92 : 25,609.40 = 10,599.98 : x
  2. Step 2: Convert to fraction form
    18,557.92/25,609.40 = 10,599.98/x
  3. Step 3: Cross multiply
    18,557.92x = 25,609.40 × 10,599.98
  4. Step 4: Simplify right side
    18,557.92x = 271,459,127.81
  5. Step 5: Solve for x
    x = 271,459,127.81/18,557.92
  6. Step 6: Final answer
    x = 14,627.67

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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.