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Finding the Fourth Proportional to 76,662.27, 114,993.95 and 26,742.15

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Solution

The fourth proportional to 76,662.27, 114,993.95 and 26,742.15 is: 40,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,662.27 : 114,993.95 = 26,742.15 : x
  2. Step 2: Convert to fraction form
    76,662.27/114,993.95 = 26,742.15/x
  3. Step 3: Cross multiply
    76,662.27x = 114,993.95 × 26,742.15
  4. Step 4: Simplify right side
    76,662.27x = 3,075,185,326.28
  5. Step 5: Solve for x
    x = 3,075,185,326.28/76,662.27
  6. Step 6: Final answer
    x = 40,113.41

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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.