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Finding the Fourth Proportional to 35,405.92, 48,861.57 and 19,491.85

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Solution

The fourth proportional to 35,405.92, 48,861.57 and 19,491.85 is: 26,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.92 : 48,861.57 = 19,491.85 : x
  2. Step 2: Convert to fraction form
    35,405.92/48,861.57 = 19,491.85/x
  3. Step 3: Cross multiply
    35,405.92x = 48,861.57 × 19,491.85
  4. Step 4: Simplify right side
    35,405.92x = 952,402,393.20
  5. Step 5: Solve for x
    x = 952,402,393.20/35,405.92
  6. Step 6: Final answer
    x = 26,899.52

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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.