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Finding the Fourth Proportional to 29,330.54, 43,995.82 and 7,143.74

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Solution

The fourth proportional to 29,330.54, 43,995.82 and 7,143.74 is: 10,715.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,330.54 : 43,995.82 = 7,143.74 : x
  2. Step 2: Convert to fraction form
    29,330.54/43,995.82 = 7,143.74/x
  3. Step 3: Cross multiply
    29,330.54x = 43,995.82 × 7,143.74
  4. Step 4: Simplify right side
    29,330.54x = 314,294,699.17
  5. Step 5: Solve for x
    x = 314,294,699.17/29,330.54
  6. Step 6: Final answer
    x = 10,715.61

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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.