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Finding the Fourth Proportional to 29,028.80, 43,547.04 and 9,300.80

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Solution

The fourth proportional to 29,028.80, 43,547.04 and 9,300.80 is: 13,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,028.80 : 43,547.04 = 9,300.80 : x
  2. Step 2: Convert to fraction form
    29,028.80/43,547.04 = 9,300.80/x
  3. Step 3: Cross multiply
    29,028.80x = 43,547.04 × 9,300.80
  4. Step 4: Simplify right side
    29,028.80x = 405,022,309.63
  5. Step 5: Solve for x
    x = 405,022,309.63/29,028.80
  6. Step 6: Final answer
    x = 13,952.43

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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.