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Finding the Fourth Proportional to 50,885.51, 70,222.02 and 28,529.51

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Solution

The fourth proportional to 50,885.51, 70,222.02 and 28,529.51 is: 39,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,885.51 : 70,222.02 = 28,529.51 : x
  2. Step 2: Convert to fraction form
    50,885.51/70,222.02 = 28,529.51/x
  3. Step 3: Cross multiply
    50,885.51x = 70,222.02 × 28,529.51
  4. Step 4: Simplify right side
    50,885.51x = 2,003,399,821.81
  5. Step 5: Solve for x
    x = 2,003,399,821.81/50,885.51
  6. Step 6: Final answer
    x = 39,370.73

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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.