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Finding the Fourth Proportional to 32,751.48, 49,133.16 and 18,727.32

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Solution

The fourth proportional to 32,751.48, 49,133.16 and 18,727.32 is: 28,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,751.48 : 49,133.16 = 18,727.32 : x
  2. Step 2: Convert to fraction form
    32,751.48/49,133.16 = 18,727.32/x
  3. Step 3: Cross multiply
    32,751.48x = 49,133.16 × 18,727.32
  4. Step 4: Simplify right side
    32,751.48x = 920,132,409.93
  5. Step 5: Solve for x
    x = 920,132,409.93/32,751.48
  6. Step 6: Final answer
    x = 28,094.38

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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.