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Finding the Fourth Proportional to 34,219.60, 51,336.60 and 10,848.40

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Solution

The fourth proportional to 34,219.60, 51,336.60 and 10,848.40 is: 16,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,219.60 : 51,336.60 = 10,848.40 : x
  2. Step 2: Convert to fraction form
    34,219.60/51,336.60 = 10,848.40/x
  3. Step 3: Cross multiply
    34,219.60x = 51,336.60 × 10,848.40
  4. Step 4: Simplify right side
    34,219.60x = 556,919,971.44
  5. Step 5: Solve for x
    x = 556,919,971.44/34,219.60
  6. Step 6: Final answer
    x = 16,274.88

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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.