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Finding the Fourth Proportional to 77,254.48, 115,882.80 and 21,850.48

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Solution

The fourth proportional to 77,254.48, 115,882.80 and 21,850.48 is: 32,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,254.48 : 115,882.80 = 21,850.48 : x
  2. Step 2: Convert to fraction form
    77,254.48/115,882.80 = 21,850.48/x
  3. Step 3: Cross multiply
    77,254.48x = 115,882.80 × 21,850.48
  4. Step 4: Simplify right side
    77,254.48x = 2,532,094,803.74
  5. Step 5: Solve for x
    x = 2,532,094,803.74/77,254.48
  6. Step 6: Final answer
    x = 32,776.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.