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Finding the Fourth Proportional to 50,483.92, 75,679.16 and 19,294.16

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Solution

The fourth proportional to 50,483.92, 75,679.16 and 19,294.16 is: 28,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,483.92 : 75,679.16 = 19,294.16 : x
  2. Step 2: Convert to fraction form
    50,483.92/75,679.16 = 19,294.16/x
  3. Step 3: Cross multiply
    50,483.92x = 75,679.16 × 19,294.16
  4. Step 4: Simplify right side
    50,483.92x = 1,460,165,821.71
  5. Step 5: Solve for x
    x = 1,460,165,821.71/50,483.92
  6. Step 6: Final answer
    x = 28,923.38

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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.