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Finding the Fourth Proportional to 43,059.74, 64,579.88 and 15,357.74

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Solution

The fourth proportional to 43,059.74, 64,579.88 and 15,357.74 is: 23,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,059.74 : 64,579.88 = 15,357.74 : x
  2. Step 2: Convert to fraction form
    43,059.74/64,579.88 = 15,357.74/x
  3. Step 3: Cross multiply
    43,059.74x = 64,579.88 × 15,357.74
  4. Step 4: Simplify right side
    43,059.74x = 991,800,721.77
  5. Step 5: Solve for x
    x = 991,800,721.77/43,059.74
  6. Step 6: Final answer
    x = 23,033.14

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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.