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Finding the Fourth Proportional to 50,599, 69,826.66 and 28,243

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Solution

The fourth proportional to 50,599, 69,826.66 and 28,243 is: 38,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,599 : 69,826.66 = 28,243 : x
  2. Step 2: Convert to fraction form
    50,599/69,826.66 = 28,243/x
  3. Step 3: Cross multiply
    50,599x = 69,826.66 × 28,243
  4. Step 4: Simplify right side
    50,599x = 1,972,114,358.38
  5. Step 5: Solve for x
    x = 1,972,114,358.38/50,599
  6. Step 6: Final answer
    x = 38,975.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.