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Finding the Fourth Proportional to 54,803.70, 75,629.08 and 29,653.20

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Solution

The fourth proportional to 54,803.70, 75,629.08 and 29,653.20 is: 40,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,803.70 : 75,629.08 = 29,653.20 : x
  2. Step 2: Convert to fraction form
    54,803.70/75,629.08 = 29,653.20/x
  3. Step 3: Cross multiply
    54,803.70x = 75,629.08 × 29,653.20
  4. Step 4: Simplify right side
    54,803.70x = 2,242,644,235.06
  5. Step 5: Solve for x
    x = 2,242,644,235.06/54,803.70
  6. Step 6: Final answer
    x = 40,921.40

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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.