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Finding the Fourth Proportional to 76,046.37, 104,918.00 and 45,820.32

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Solution

The fourth proportional to 76,046.37, 104,918.00 and 45,820.32 is: 63,216.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,046.37 : 104,918.00 = 45,820.32 : x
  2. Step 2: Convert to fraction form
    76,046.37/104,918.00 = 45,820.32/x
  3. Step 3: Cross multiply
    76,046.37x = 104,918.00 × 45,820.32
  4. Step 4: Simplify right side
    76,046.37x = 4,807,376,104.66
  5. Step 5: Solve for x
    x = 4,807,376,104.66/76,046.37
  6. Step 6: Final answer
    x = 63,216.38

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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.