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Finding the Fourth Proportional to 29,420.64, 44,098.16 and 12,755.70

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Solution

The fourth proportional to 29,420.64, 44,098.16 and 12,755.70 is: 19,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.64 : 44,098.16 = 12,755.70 : x
  2. Step 2: Convert to fraction form
    29,420.64/44,098.16 = 12,755.70/x
  3. Step 3: Cross multiply
    29,420.64x = 44,098.16 × 12,755.70
  4. Step 4: Simplify right side
    29,420.64x = 562,502,835.73
  5. Step 5: Solve for x
    x = 562,502,835.73/29,420.64
  6. Step 6: Final answer
    x = 19,119.33

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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.