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Finding the Fourth Proportional to 56,453.91, 84,663.57 and 39,035.67

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Solution

The fourth proportional to 56,453.91, 84,663.57 and 39,035.67 is: 58,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,453.91 : 84,663.57 = 39,035.67 : x
  2. Step 2: Convert to fraction form
    56,453.91/84,663.57 = 39,035.67/x
  3. Step 3: Cross multiply
    56,453.91x = 84,663.57 × 39,035.67
  4. Step 4: Simplify right side
    56,453.91x = 3,304,899,179.54
  5. Step 5: Solve for x
    x = 3,304,899,179.54/56,453.91
  6. Step 6: Final answer
    x = 58,541.55

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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.