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Finding the Fourth Proportional to 74,672.60, 112,028.70 and 32,534.60

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Solution

The fourth proportional to 74,672.60, 112,028.70 and 32,534.60 is: 48,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,672.60 : 112,028.70 = 32,534.60 : x
  2. Step 2: Convert to fraction form
    74,672.60/112,028.70 = 32,534.60/x
  3. Step 3: Cross multiply
    74,672.60x = 112,028.70 × 32,534.60
  4. Step 4: Simplify right side
    74,672.60x = 3,644,808,943.02
  5. Step 5: Solve for x
    x = 3,644,808,943.02/74,672.60
  6. Step 6: Final answer
    x = 48,810.53

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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.