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Finding the Fourth Proportional to 56,453.92, 84,663.56 and 39,035.68

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Solution

The fourth proportional to 56,453.92, 84,663.56 and 39,035.68 is: 58,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,453.92 : 84,663.56 = 39,035.68 : x
  2. Step 2: Convert to fraction form
    56,453.92/84,663.56 = 39,035.68/x
  3. Step 3: Cross multiply
    56,453.92x = 84,663.56 × 39,035.68
  4. Step 4: Simplify right side
    56,453.92x = 3,304,899,635.82
  5. Step 5: Solve for x
    x = 3,304,899,635.82/56,453.92
  6. Step 6: Final answer
    x = 58,541.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.