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Finding the Fourth Proportional to 30,334, 45,502.62 and 9,559.12

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Solution

The fourth proportional to 30,334, 45,502.62 and 9,559.12 is: 14,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334 : 45,502.62 = 9,559.12 : x
  2. Step 2: Convert to fraction form
    30,334/45,502.62 = 9,559.12/x
  3. Step 3: Cross multiply
    30,334x = 45,502.62 × 9,559.12
  4. Step 4: Simplify right side
    30,334x = 434,965,004.89
  5. Step 5: Solve for x
    x = 434,965,004.89/30,334
  6. Step 6: Final answer
    x = 14,339.19

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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.