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Finding the Fourth Proportional to 32,885.40, 49,328.10 and 30,552.60

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Solution

The fourth proportional to 32,885.40, 49,328.10 and 30,552.60 is: 45,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885.40 : 49,328.10 = 30,552.60 : x
  2. Step 2: Convert to fraction form
    32,885.40/49,328.10 = 30,552.60/x
  3. Step 3: Cross multiply
    32,885.40x = 49,328.10 × 30,552.60
  4. Step 4: Simplify right side
    32,885.40x = 1,507,101,708.06
  5. Step 5: Solve for x
    x = 1,507,101,708.06/32,885.40
  6. Step 6: Final answer
    x = 45,828.90

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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.