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Finding the Fourth Proportional to 29,330.63, 43,995.48 and 7,143.97

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Solution

The fourth proportional to 29,330.63, 43,995.48 and 7,143.97 is: 10,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,330.63 : 43,995.48 = 7,143.97 : x
  2. Step 2: Convert to fraction form
    29,330.63/43,995.48 = 7,143.97/x
  3. Step 3: Cross multiply
    29,330.63x = 43,995.48 × 7,143.97
  4. Step 4: Simplify right side
    29,330.63x = 314,302,389.26
  5. Step 5: Solve for x
    x = 314,302,389.26/29,330.63
  6. Step 6: Final answer
    x = 10,715.84

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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.