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Finding the Fourth Proportional to 36,315, 50,117.43 and 22,170.58

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Solution

The fourth proportional to 36,315, 50,117.43 and 22,170.58 is: 30,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,315 : 50,117.43 = 22,170.58 : x
  2. Step 2: Convert to fraction form
    36,315/50,117.43 = 22,170.58/x
  3. Step 3: Cross multiply
    36,315x = 50,117.43 × 22,170.58
  4. Step 4: Simplify right side
    36,315x = 1,111,132,449.06
  5. Step 5: Solve for x
    x = 1,111,132,449.06/36,315
  6. Step 6: Final answer
    x = 30,597.07

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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.