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Finding the Fourth Proportional to 29,300.16, 43,955.71 and 9,579.80

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Solution

The fourth proportional to 29,300.16, 43,955.71 and 9,579.80 is: 14,371.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,300.16 : 43,955.71 = 9,579.80 : x
  2. Step 2: Convert to fraction form
    29,300.16/43,955.71 = 9,579.80/x
  3. Step 3: Cross multiply
    29,300.16x = 43,955.71 × 9,579.80
  4. Step 4: Simplify right side
    29,300.16x = 421,087,050.48
  5. Step 5: Solve for x
    x = 421,087,050.48/29,300.16
  6. Step 6: Final answer
    x = 14,371.49

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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.