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Finding the Fourth Proportional to 50,479.44, 69,657.96 and 29,258.28

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Solution

The fourth proportional to 50,479.44, 69,657.96 and 29,258.28 is: 40,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,479.44 : 69,657.96 = 29,258.28 : x
  2. Step 2: Convert to fraction form
    50,479.44/69,657.96 = 29,258.28/x
  3. Step 3: Cross multiply
    50,479.44x = 69,657.96 × 29,258.28
  4. Step 4: Simplify right side
    50,479.44x = 2,038,072,097.91
  5. Step 5: Solve for x
    x = 2,038,072,097.91/50,479.44
  6. Step 6: Final answer
    x = 40,374.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.