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Finding the Fourth Proportional to 13,700.59, 20,550.88 and 5,804.35

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Solution

The fourth proportional to 13,700.59, 20,550.88 and 5,804.35 is: 8,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.59 : 20,550.88 = 5,804.35 : x
  2. Step 2: Convert to fraction form
    13,700.59/20,550.88 = 5,804.35/x
  3. Step 3: Cross multiply
    13,700.59x = 20,550.88 × 5,804.35
  4. Step 4: Simplify right side
    13,700.59x = 119,284,383.06
  5. Step 5: Solve for x
    x = 119,284,383.06/13,700.59
  6. Step 6: Final answer
    x = 8,706.52

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Similar ratio
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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.