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Finding the Fourth Proportional to 50,472.36, 75,699.90 and 18,873.99

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Solution

The fourth proportional to 50,472.36, 75,699.90 and 18,873.99 is: 28,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,472.36 : 75,699.90 = 18,873.99 : x
  2. Step 2: Convert to fraction form
    50,472.36/75,699.90 = 18,873.99/x
  3. Step 3: Cross multiply
    50,472.36x = 75,699.90 × 18,873.99
  4. Step 4: Simplify right side
    50,472.36x = 1,428,759,155.60
  5. Step 5: Solve for x
    x = 1,428,759,155.60/50,472.36
  6. Step 6: Final answer
    x = 28,307.75

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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.