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Finding the Fourth Proportional to 82,573.58, 123,860.37 and 23,409.76

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Solution

The fourth proportional to 82,573.58, 123,860.37 and 23,409.76 is: 35,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,573.58 : 123,860.37 = 23,409.76 : x
  2. Step 2: Convert to fraction form
    82,573.58/123,860.37 = 23,409.76/x
  3. Step 3: Cross multiply
    82,573.58x = 123,860.37 × 23,409.76
  4. Step 4: Simplify right side
    82,573.58x = 2,899,541,535.21
  5. Step 5: Solve for x
    x = 2,899,541,535.21/82,573.58
  6. Step 6: Final answer
    x = 35,114.64

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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.