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Finding the Fourth Proportional to 69,099.58, 103,483.26 and 39,427.45

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Solution

The fourth proportional to 69,099.58, 103,483.26 and 39,427.45 is: 59,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,099.58 : 103,483.26 = 39,427.45 : x
  2. Step 2: Convert to fraction form
    69,099.58/103,483.26 = 39,427.45/x
  3. Step 3: Cross multiply
    69,099.58x = 103,483.26 × 39,427.45
  4. Step 4: Simplify right side
    69,099.58x = 4,080,081,059.49
  5. Step 5: Solve for x
    x = 4,080,081,059.49/69,099.58
  6. Step 6: Final answer
    x = 59,046.40

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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.