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Finding the Fourth Proportional to 50,795.49, 70,100.29 and 30,652.03

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Solution

The fourth proportional to 50,795.49, 70,100.29 and 30,652.03 is: 42,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,795.49 : 70,100.29 = 30,652.03 : x
  2. Step 2: Convert to fraction form
    50,795.49/70,100.29 = 30,652.03/x
  3. Step 3: Cross multiply
    50,795.49x = 70,100.29 × 30,652.03
  4. Step 4: Simplify right side
    50,795.49x = 2,148,716,192.09
  5. Step 5: Solve for x
    x = 2,148,716,192.09/50,795.49
  6. Step 6: Final answer
    x = 42,301.32

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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.