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Finding the Fourth Proportional to 29,333.31, 43,999.43 and 7,146.63

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Solution

The fourth proportional to 29,333.31, 43,999.43 and 7,146.63 is: 10,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,333.31 : 43,999.43 = 7,146.63 : x
  2. Step 2: Convert to fraction form
    29,333.31/43,999.43 = 7,146.63/x
  3. Step 3: Cross multiply
    29,333.31x = 43,999.43 × 7,146.63
  4. Step 4: Simplify right side
    29,333.31x = 314,447,646.42
  5. Step 5: Solve for x
    x = 314,447,646.42/29,333.31
  6. Step 6: Final answer
    x = 10,719.81

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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.