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Finding the Fourth Proportional to 32,571, 48,840.91 and 15,911.53

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Solution

The fourth proportional to 32,571, 48,840.91 and 15,911.53 is: 23,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,571 : 48,840.91 = 15,911.53 : x
  2. Step 2: Convert to fraction form
    32,571/48,840.91 = 15,911.53/x
  3. Step 3: Cross multiply
    32,571x = 48,840.91 × 15,911.53
  4. Step 4: Simplify right side
    32,571x = 777,133,442.81
  5. Step 5: Solve for x
    x = 777,133,442.81/32,571
  6. Step 6: Final answer
    x = 23,859.67

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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.