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Finding the Fourth Proportional to 36,460.76, 50,315.84 and 19,693.76

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Solution

The fourth proportional to 36,460.76, 50,315.84 and 19,693.76 is: 27,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,460.76 : 50,315.84 = 19,693.76 : x
  2. Step 2: Convert to fraction form
    36,460.76/50,315.84 = 19,693.76/x
  3. Step 3: Cross multiply
    36,460.76x = 50,315.84 × 19,693.76
  4. Step 4: Simplify right side
    36,460.76x = 990,908,077.16
  5. Step 5: Solve for x
    x = 990,908,077.16/36,460.76
  6. Step 6: Final answer
    x = 27,177.38

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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.