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Finding the Fourth Proportional to 74,459.44, 102,754.36 and 40,927.60

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Solution

The fourth proportional to 74,459.44, 102,754.36 and 40,927.60 is: 56,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,459.44 : 102,754.36 = 40,927.60 : x
  2. Step 2: Convert to fraction form
    74,459.44/102,754.36 = 40,927.60/x
  3. Step 3: Cross multiply
    74,459.44x = 102,754.36 × 40,927.60
  4. Step 4: Simplify right side
    74,459.44x = 4,205,489,344.34
  5. Step 5: Solve for x
    x = 4,205,489,344.34/74,459.44
  6. Step 6: Final answer
    x = 56,480.27

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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.