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Finding the Fourth Proportional to 74,502.11, 102,798.15 and 41,797.58

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Solution

The fourth proportional to 74,502.11, 102,798.15 and 41,797.58 is: 57,672.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,502.11 : 102,798.15 = 41,797.58 : x
  2. Step 2: Convert to fraction form
    74,502.11/102,798.15 = 41,797.58/x
  3. Step 3: Cross multiply
    74,502.11x = 102,798.15 × 41,797.58
  4. Step 4: Simplify right side
    74,502.11x = 4,296,713,898.48
  5. Step 5: Solve for x
    x = 4,296,713,898.48/74,502.11
  6. Step 6: Final answer
    x = 57,672.38

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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.