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Finding the Fourth Proportional to 77,889.12, 116,801.28 and 33,492.48

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Solution

The fourth proportional to 77,889.12, 116,801.28 and 33,492.48 is: 50,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,889.12 : 116,801.28 = 33,492.48 : x
  2. Step 2: Convert to fraction form
    77,889.12/116,801.28 = 33,492.48/x
  3. Step 3: Cross multiply
    77,889.12x = 116,801.28 × 33,492.48
  4. Step 4: Simplify right side
    77,889.12x = 3,911,964,534.37
  5. Step 5: Solve for x
    x = 3,911,964,534.37/77,889.12
  6. Step 6: Final answer
    x = 50,224.79

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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.