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Finding the Fourth Proportional to 76,015.86, 104,911.01 and 44,184.76

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Solution

The fourth proportional to 76,015.86, 104,911.01 and 44,184.76 is: 60,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,015.86 : 104,911.01 = 44,184.76 : x
  2. Step 2: Convert to fraction form
    76,015.86/104,911.01 = 44,184.76/x
  3. Step 3: Cross multiply
    76,015.86x = 104,911.01 × 44,184.76
  4. Step 4: Simplify right side
    76,015.86x = 4,635,467,798.21
  5. Step 5: Solve for x
    x = 4,635,467,798.21/76,015.86
  6. Step 6: Final answer
    x = 60,980.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.