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Finding the Fourth Proportional to 13,334.80, 20,004 and 4,572.16

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Solution

The fourth proportional to 13,334.80, 20,004 and 4,572.16 is: 6,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.80 : 20,004 = 4,572.16 : x
  2. Step 2: Convert to fraction form
    13,334.80/20,004 = 4,572.16/x
  3. Step 3: Cross multiply
    13,334.80x = 20,004 × 4,572.16
  4. Step 4: Simplify right side
    13,334.80x = 91,461,488.64
  5. Step 5: Solve for x
    x = 91,461,488.64/13,334.80
  6. Step 6: Final answer
    x = 6,858.86

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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.