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Finding the Fourth Proportional to 55,079.99, 76,010.86 and 29,929.49

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Solution

The fourth proportional to 55,079.99, 76,010.86 and 29,929.49 is: 41,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.99 : 76,010.86 = 29,929.49 : x
  2. Step 2: Convert to fraction form
    55,079.99/76,010.86 = 29,929.49/x
  3. Step 3: Cross multiply
    55,079.99x = 76,010.86 × 29,929.49
  4. Step 4: Simplify right side
    55,079.99x = 2,274,965,894.21
  5. Step 5: Solve for x
    x = 2,274,965,894.21/55,079.99
  6. Step 6: Final answer
    x = 41,302.95

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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.