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Finding the Fourth Proportional to 49,955.99, 75,029.31 and 28,938.24

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Solution

The fourth proportional to 49,955.99, 75,029.31 and 28,938.24 is: 43,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,955.99 : 75,029.31 = 28,938.24 : x
  2. Step 2: Convert to fraction form
    49,955.99/75,029.31 = 28,938.24/x
  3. Step 3: Cross multiply
    49,955.99x = 75,029.31 × 28,938.24
  4. Step 4: Simplify right side
    49,955.99x = 2,171,216,179.81
  5. Step 5: Solve for x
    x = 2,171,216,179.81/49,955.99
  6. Step 6: Final answer
    x = 43,462.58

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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.