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Finding the Fourth Proportional to 84,907.44, 127,326.24 and 36,879.12

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Solution

The fourth proportional to 84,907.44, 127,326.24 and 36,879.12 is: 55,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,907.44 : 127,326.24 = 36,879.12 : x
  2. Step 2: Convert to fraction form
    84,907.44/127,326.24 = 36,879.12/x
  3. Step 3: Cross multiply
    84,907.44x = 127,326.24 × 36,879.12
  4. Step 4: Simplify right side
    84,907.44x = 4,695,679,684.11
  5. Step 5: Solve for x
    x = 4,695,679,684.11/84,907.44
  6. Step 6: Final answer
    x = 55,303.51

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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.