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Finding the Fourth Proportional to 75,579.07, 104,299.22 and 42,045.07

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Solution

The fourth proportional to 75,579.07, 104,299.22 and 42,045.07 is: 58,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,579.07 : 104,299.22 = 42,045.07 : x
  2. Step 2: Convert to fraction form
    75,579.07/104,299.22 = 42,045.07/x
  3. Step 3: Cross multiply
    75,579.07x = 104,299.22 × 42,045.07
  4. Step 4: Simplify right side
    75,579.07x = 4,385,268,005.85
  5. Step 5: Solve for x
    x = 4,385,268,005.85/75,579.07
  6. Step 6: Final answer
    x = 58,022.25

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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.