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Finding the Fourth Proportional to 58,585.45, 80,849.48 and 35,911.41

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Solution

The fourth proportional to 58,585.45, 80,849.48 and 35,911.41 is: 49,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,585.45 : 80,849.48 = 35,911.41 : x
  2. Step 2: Convert to fraction form
    58,585.45/80,849.48 = 35,911.41/x
  3. Step 3: Cross multiply
    58,585.45x = 80,849.48 × 35,911.41
  4. Step 4: Simplify right side
    58,585.45x = 2,903,418,787.22
  5. Step 5: Solve for x
    x = 2,903,418,787.22/58,585.45
  6. Step 6: Final answer
    x = 49,558.70

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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.