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Finding the Fourth Proportional to 52,969.68, 79,465.44 and 15,530.98

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Solution

The fourth proportional to 52,969.68, 79,465.44 and 15,530.98 is: 23,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,969.68 : 79,465.44 = 15,530.98 : x
  2. Step 2: Convert to fraction form
    52,969.68/79,465.44 = 15,530.98/x
  3. Step 3: Cross multiply
    52,969.68x = 79,465.44 × 15,530.98
  4. Step 4: Simplify right side
    52,969.68x = 1,234,176,159.33
  5. Step 5: Solve for x
    x = 1,234,176,159.33/52,969.68
  6. Step 6: Final answer
    x = 23,299.67

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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.