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Finding the Fourth Proportional to 50,846.76, 70,168.53 and 28,490.76

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Solution

The fourth proportional to 50,846.76, 70,168.53 and 28,490.76 is: 39,317.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,846.76 : 70,168.53 = 28,490.76 : x
  2. Step 2: Convert to fraction form
    50,846.76/70,168.53 = 28,490.76/x
  3. Step 3: Cross multiply
    50,846.76x = 70,168.53 × 28,490.76
  4. Step 4: Simplify right side
    50,846.76x = 1,999,154,747.78
  5. Step 5: Solve for x
    x = 1,999,154,747.78/50,846.76
  6. Step 6: Final answer
    x = 39,317.25

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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.