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Finding the Fourth Proportional to 29,980.48, 44,969.04 and 9,203.92

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Solution

The fourth proportional to 29,980.48, 44,969.04 and 9,203.92 is: 13,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,980.48 : 44,969.04 = 9,203.92 : x
  2. Step 2: Convert to fraction form
    29,980.48/44,969.04 = 9,203.92/x
  3. Step 3: Cross multiply
    29,980.48x = 44,969.04 × 9,203.92
  4. Step 4: Simplify right side
    29,980.48x = 413,891,446.64
  5. Step 5: Solve for x
    x = 413,891,446.64/29,980.48
  6. Step 6: Final answer
    x = 13,805.36

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1.5x scale

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.