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Finding the Fourth Proportional to 58,085.76, 80,203.50 and 44,635.80

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Solution

The fourth proportional to 58,085.76, 80,203.50 and 44,635.80 is: 61,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,085.76 : 80,203.50 = 44,635.80 : x
  2. Step 2: Convert to fraction form
    58,085.76/80,203.50 = 44,635.80/x
  3. Step 3: Cross multiply
    58,085.76x = 80,203.50 × 44,635.80
  4. Step 4: Simplify right side
    58,085.76x = 3,579,947,385.30
  5. Step 5: Solve for x
    x = 3,579,947,385.30/58,085.76
  6. Step 6: Final answer
    x = 61,632.10

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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.