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Finding the Fourth Proportional to 32,428.80, 48,637.20 and 9,050.40

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Solution

The fourth proportional to 32,428.80, 48,637.20 and 9,050.40 is: 13,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.80 : 48,637.20 = 9,050.40 : x
  2. Step 2: Convert to fraction form
    32,428.80/48,637.20 = 9,050.40/x
  3. Step 3: Cross multiply
    32,428.80x = 48,637.20 × 9,050.40
  4. Step 4: Simplify right side
    32,428.80x = 440,186,114.88
  5. Step 5: Solve for x
    x = 440,186,114.88/32,428.80
  6. Step 6: Final answer
    x = 13,573.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.