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Finding the Fourth Proportional to 13,700.66, 20,550.51 and 5,801.00

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Solution

The fourth proportional to 13,700.66, 20,550.51 and 5,801.00 is: 8,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.66 : 20,550.51 = 5,801.00 : x
  2. Step 2: Convert to fraction form
    13,700.66/20,550.51 = 5,801.00/x
  3. Step 3: Cross multiply
    13,700.66x = 20,550.51 × 5,801.00
  4. Step 4: Simplify right side
    13,700.66x = 119,213,405.76
  5. Step 5: Solve for x
    x = 119,213,405.76/13,700.66
  6. Step 6: Final answer
    x = 8,701.29

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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.