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Finding the Fourth Proportional to 30,903.68, 46,335.03 and 11,179.67

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Solution

The fourth proportional to 30,903.68, 46,335.03 and 11,179.67 is: 16,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.68 : 46,335.03 = 11,179.67 : x
  2. Step 2: Convert to fraction form
    30,903.68/46,335.03 = 11,179.67/x
  3. Step 3: Cross multiply
    30,903.68x = 46,335.03 × 11,179.67
  4. Step 4: Simplify right side
    30,903.68x = 518,010,113.16
  5. Step 5: Solve for x
    x = 518,010,113.16/30,903.68
  6. Step 6: Final answer
    x = 16,762.09

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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.