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Finding the Fourth Proportional to 55,085.53, 76,018.03 and 29,935.03

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Solution

The fourth proportional to 55,085.53, 76,018.03 and 29,935.03 is: 41,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,085.53 : 76,018.03 = 29,935.03 : x
  2. Step 2: Convert to fraction form
    55,085.53/76,018.03 = 29,935.03/x
  3. Step 3: Cross multiply
    55,085.53x = 76,018.03 × 29,935.03
  4. Step 4: Simplify right side
    55,085.53x = 2,275,602,008.59
  5. Step 5: Solve for x
    x = 2,275,602,008.59/55,085.53
  6. Step 6: Final answer
    x = 41,310.34

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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.