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Finding the Fourth Proportional to 32,271.66, 48,421.67 and 12,551.67

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Solution

The fourth proportional to 32,271.66, 48,421.67 and 12,551.67 is: 18,833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,271.66 : 48,421.67 = 12,551.67 : x
  2. Step 2: Convert to fraction form
    32,271.66/48,421.67 = 12,551.67/x
  3. Step 3: Cross multiply
    32,271.66x = 48,421.67 × 12,551.67
  4. Step 4: Simplify right side
    32,271.66x = 607,772,759.93
  5. Step 5: Solve for x
    x = 607,772,759.93/32,271.66
  6. Step 6: Final answer
    x = 18,833.02

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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.