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Finding the Fourth Proportional to 55,302.63, 76,324.22 and 34,914.32

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Solution

The fourth proportional to 55,302.63, 76,324.22 and 34,914.32 is: 48,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,302.63 : 76,324.22 = 34,914.32 : x
  2. Step 2: Convert to fraction form
    55,302.63/76,324.22 = 34,914.32/x
  3. Step 3: Cross multiply
    55,302.63x = 76,324.22 × 34,914.32
  4. Step 4: Simplify right side
    55,302.63x = 2,664,808,240.83
  5. Step 5: Solve for x
    x = 2,664,808,240.83/55,302.63
  6. Step 6: Final answer
    x = 48,185.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.