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Finding the Fourth Proportional to 84,843.95, 127,293.61 and 40,464.94

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Solution

The fourth proportional to 84,843.95, 127,293.61 and 40,464.94 is: 60,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,843.95 : 127,293.61 = 40,464.94 : x
  2. Step 2: Convert to fraction form
    84,843.95/127,293.61 = 40,464.94/x
  3. Step 3: Cross multiply
    84,843.95x = 127,293.61 × 40,464.94
  4. Step 4: Simplify right side
    84,843.95x = 5,150,927,452.24
  5. Step 5: Solve for x
    x = 5,150,927,452.24/84,843.95
  6. Step 6: Final answer
    x = 60,710.60

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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.