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Finding the Fourth Proportional to 29,039.51, 43,559.57 and 11,509.49

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Solution

The fourth proportional to 29,039.51, 43,559.57 and 11,509.49 is: 17,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,039.51 : 43,559.57 = 11,509.49 : x
  2. Step 2: Convert to fraction form
    29,039.51/43,559.57 = 11,509.49/x
  3. Step 3: Cross multiply
    29,039.51x = 43,559.57 × 11,509.49
  4. Step 4: Simplify right side
    29,039.51x = 501,348,572.99
  5. Step 5: Solve for x
    x = 501,348,572.99/29,039.51
  6. Step 6: Final answer
    x = 17,264.36

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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.