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Finding the Fourth Proportional to 76,009.58, 114,014.64 and 23,418.80

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Solution

The fourth proportional to 76,009.58, 114,014.64 and 23,418.80 is: 35,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,009.58 : 114,014.64 = 23,418.80 : x
  2. Step 2: Convert to fraction form
    76,009.58/114,014.64 = 23,418.80/x
  3. Step 3: Cross multiply
    76,009.58x = 114,014.64 × 23,418.80
  4. Step 4: Simplify right side
    76,009.58x = 2,670,086,051.23
  5. Step 5: Solve for x
    x = 2,670,086,051.23/76,009.58
  6. Step 6: Final answer
    x = 35,128.28

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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.