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Finding the Fourth Proportional to 17,405.55, 26,079.98 and 10,813.77

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Solution

The fourth proportional to 17,405.55, 26,079.98 and 10,813.77 is: 16,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,405.55 : 26,079.98 = 10,813.77 : x
  2. Step 2: Convert to fraction form
    17,405.55/26,079.98 = 10,813.77/x
  3. Step 3: Cross multiply
    17,405.55x = 26,079.98 × 10,813.77
  4. Step 4: Simplify right side
    17,405.55x = 282,022,851.26
  5. Step 5: Solve for x
    x = 282,022,851.26/17,405.55
  6. Step 6: Final answer
    x = 16,203.04

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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.