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Finding the Fourth Proportional to 58,382.50, 80,586.87 and 43,270.33

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Solution

The fourth proportional to 58,382.50, 80,586.87 and 43,270.33 is: 59,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,382.50 : 80,586.87 = 43,270.33 : x
  2. Step 2: Convert to fraction form
    58,382.50/80,586.87 = 43,270.33/x
  3. Step 3: Cross multiply
    58,382.50x = 80,586.87 × 43,270.33
  4. Step 4: Simplify right side
    58,382.50x = 3,487,020,055.63
  5. Step 5: Solve for x
    x = 3,487,020,055.63/58,382.50
  6. Step 6: Final answer
    x = 59,727.15

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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.