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Finding the Fourth Proportional to 75,653.76, 104,394.14 and 41,660.22

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Solution

The fourth proportional to 75,653.76, 104,394.14 and 41,660.22 is: 57,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,653.76 : 104,394.14 = 41,660.22 : x
  2. Step 2: Convert to fraction form
    75,653.76/104,394.14 = 41,660.22/x
  3. Step 3: Cross multiply
    75,653.76x = 104,394.14 × 41,660.22
  4. Step 4: Simplify right side
    75,653.76x = 4,349,082,839.11
  5. Step 5: Solve for x
    x = 4,349,082,839.11/75,653.76
  6. Step 6: Final answer
    x = 57,486.68

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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.