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Finding the Fourth Proportional to 58,504.25, 87,755.90 and 30,409.80

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Solution

The fourth proportional to 58,504.25, 87,755.90 and 30,409.80 is: 45,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,504.25 : 87,755.90 = 30,409.80 : x
  2. Step 2: Convert to fraction form
    58,504.25/87,755.90 = 30,409.80/x
  3. Step 3: Cross multiply
    58,504.25x = 87,755.90 × 30,409.80
  4. Step 4: Simplify right side
    58,504.25x = 2,668,639,215.77
  5. Step 5: Solve for x
    x = 2,668,639,215.77/58,504.25
  6. Step 6: Final answer
    x = 45,614.45

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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.