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Finding the Fourth Proportional to 50,804.48, 70,110.12 and 28,143.48

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Solution

The fourth proportional to 50,804.48, 70,110.12 and 28,143.48 is: 38,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,804.48 : 70,110.12 = 28,143.48 : x
  2. Step 2: Convert to fraction form
    50,804.48/70,110.12 = 28,143.48/x
  3. Step 3: Cross multiply
    50,804.48x = 70,110.12 × 28,143.48
  4. Step 4: Simplify right side
    50,804.48x = 1,973,142,760.02
  5. Step 5: Solve for x
    x = 1,973,142,760.02/50,804.48
  6. Step 6: Final answer
    x = 38,837.97

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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.