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Finding the Fourth Proportional to 29,913.70, 44,870.55 and 17,447.80

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Solution

The fourth proportional to 29,913.70, 44,870.55 and 17,447.80 is: 26,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,913.70 : 44,870.55 = 17,447.80 : x
  2. Step 2: Convert to fraction form
    29,913.70/44,870.55 = 17,447.80/x
  3. Step 3: Cross multiply
    29,913.70x = 44,870.55 × 17,447.80
  4. Step 4: Simplify right side
    29,913.70x = 782,892,382.29
  5. Step 5: Solve for x
    x = 782,892,382.29/29,913.70
  6. Step 6: Final answer
    x = 26,171.70

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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.