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Finding the Fourth Proportional to 50,726.56, 70,002.60 and 28,370.56

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Solution

The fourth proportional to 50,726.56, 70,002.60 and 28,370.56 is: 39,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,726.56 : 70,002.60 = 28,370.56 : x
  2. Step 2: Convert to fraction form
    50,726.56/70,002.60 = 28,370.56/x
  3. Step 3: Cross multiply
    50,726.56x = 70,002.60 × 28,370.56
  4. Step 4: Simplify right side
    50,726.56x = 1,986,012,963.46
  5. Step 5: Solve for x
    x = 1,986,012,963.46/50,726.56
  6. Step 6: Final answer
    x = 39,151.34

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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.