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Finding the Fourth Proportional to 76,580.37, 105,683.54 and 44,748.59

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Solution

The fourth proportional to 76,580.37, 105,683.54 and 44,748.59 is: 61,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,580.37 : 105,683.54 = 44,748.59 : x
  2. Step 2: Convert to fraction form
    76,580.37/105,683.54 = 44,748.59/x
  3. Step 3: Cross multiply
    76,580.37x = 105,683.54 × 44,748.59
  4. Step 4: Simplify right side
    76,580.37x = 4,729,188,649.05
  5. Step 5: Solve for x
    x = 4,729,188,649.05/76,580.37
  6. Step 6: Final answer
    x = 61,754.58

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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.