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Finding the Fourth Proportional to 55,107, 76,048.20 and 29,957.04

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Solution

The fourth proportional to 55,107, 76,048.20 and 29,957.04 is: 41,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,107 : 76,048.20 = 29,957.04 : x
  2. Step 2: Convert to fraction form
    55,107/76,048.20 = 29,957.04/x
  3. Step 3: Cross multiply
    55,107x = 76,048.20 × 29,957.04
  4. Step 4: Simplify right side
    55,107x = 2,278,178,969.33
  5. Step 5: Solve for x
    x = 2,278,178,969.33/55,107
  6. Step 6: Final answer
    x = 41,341.01

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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.