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Finding the Fourth Proportional to 29,134.77, 43,702.17 and 12,483.99

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Solution

The fourth proportional to 29,134.77, 43,702.17 and 12,483.99 is: 18,725.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,134.77 : 43,702.17 = 12,483.99 : x
  2. Step 2: Convert to fraction form
    29,134.77/43,702.17 = 12,483.99/x
  3. Step 3: Cross multiply
    29,134.77x = 43,702.17 × 12,483.99
  4. Step 4: Simplify right side
    29,134.77x = 545,577,453.26
  5. Step 5: Solve for x
    x = 545,577,453.26/29,134.77
  6. Step 6: Final answer
    x = 18,725.99

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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.