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Finding the Fourth Proportional to 29,208.79, 43,813.14 and 16,720.09

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Solution

The fourth proportional to 29,208.79, 43,813.14 and 16,720.09 is: 25,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,208.79 : 43,813.14 = 16,720.09 : x
  2. Step 2: Convert to fraction form
    29,208.79/43,813.14 = 16,720.09/x
  3. Step 3: Cross multiply
    29,208.79x = 43,813.14 × 16,720.09
  4. Step 4: Simplify right side
    29,208.79x = 732,559,643.98
  5. Step 5: Solve for x
    x = 732,559,643.98/29,208.79
  6. Step 6: Final answer
    x = 25,080.11

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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.