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Finding the Fourth Proportional to 29,893.70, 44,840.55 and 9,117.20

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Solution

The fourth proportional to 29,893.70, 44,840.55 and 9,117.20 is: 13,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,893.70 : 44,840.55 = 9,117.20 : x
  2. Step 2: Convert to fraction form
    29,893.70/44,840.55 = 9,117.20/x
  3. Step 3: Cross multiply
    29,893.70x = 44,840.55 × 9,117.20
  4. Step 4: Simplify right side
    29,893.70x = 408,820,262.46
  5. Step 5: Solve for x
    x = 408,820,262.46/29,893.70
  6. Step 6: Final answer
    x = 13,675.80

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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.