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Finding the Fourth Proportional to 32,703.40, 49,055.10 and 30,370.60

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Solution

The fourth proportional to 32,703.40, 49,055.10 and 30,370.60 is: 45,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,703.40 : 49,055.10 = 30,370.60 : x
  2. Step 2: Convert to fraction form
    32,703.40/49,055.10 = 30,370.60/x
  3. Step 3: Cross multiply
    32,703.40x = 49,055.10 × 30,370.60
  4. Step 4: Simplify right side
    32,703.40x = 1,489,832,820.06
  5. Step 5: Solve for x
    x = 1,489,832,820.06/32,703.40
  6. Step 6: Final answer
    x = 45,555.90

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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.