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Finding the Fourth Proportional to 32,079.51, 48,121.70 and 8,707.77

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Solution

The fourth proportional to 32,079.51, 48,121.70 and 8,707.77 is: 13,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,079.51 : 48,121.70 = 8,707.77 : x
  2. Step 2: Convert to fraction form
    32,079.51/48,121.70 = 8,707.77/x
  3. Step 3: Cross multiply
    32,079.51x = 48,121.70 × 8,707.77
  4. Step 4: Simplify right side
    32,079.51x = 419,032,652.07
  5. Step 5: Solve for x
    x = 419,032,652.07/32,079.51
  6. Step 6: Final answer
    x = 13,062.31

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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.