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Finding the Fourth Proportional to 32,454.40, 48,676.80 and 9,083.20

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Solution

The fourth proportional to 32,454.40, 48,676.80 and 9,083.20 is: 13,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,454.40 : 48,676.80 = 9,083.20 : x
  2. Step 2: Convert to fraction form
    32,454.40/48,676.80 = 9,083.20/x
  3. Step 3: Cross multiply
    32,454.40x = 48,676.80 × 9,083.20
  4. Step 4: Simplify right side
    32,454.40x = 442,141,109.76
  5. Step 5: Solve for x
    x = 442,141,109.76/32,454.40
  6. Step 6: Final answer
    x = 13,623.46

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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.