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Finding the Fourth Proportional to 58,568.70, 80,838.09 and 45,796.62

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Solution

The fourth proportional to 58,568.70, 80,838.09 and 45,796.62 is: 63,209.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,568.70 : 80,838.09 = 45,796.62 : x
  2. Step 2: Convert to fraction form
    58,568.70/80,838.09 = 45,796.62/x
  3. Step 3: Cross multiply
    58,568.70x = 80,838.09 × 45,796.62
  4. Step 4: Simplify right side
    58,568.70x = 3,702,111,289.26
  5. Step 5: Solve for x
    x = 3,702,111,289.26/58,568.70
  6. Step 6: Final answer
    x = 63,209.72

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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.