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Finding the Fourth Proportional to 10,713.36, 16,070.04 and 5,515.68

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Solution

The fourth proportional to 10,713.36, 16,070.04 and 5,515.68 is: 8,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,713.36 : 16,070.04 = 5,515.68 : x
  2. Step 2: Convert to fraction form
    10,713.36/16,070.04 = 5,515.68/x
  3. Step 3: Cross multiply
    10,713.36x = 16,070.04 × 5,515.68
  4. Step 4: Simplify right side
    10,713.36x = 88,637,198.23
  5. Step 5: Solve for x
    x = 88,637,198.23/10,713.36
  6. Step 6: Final answer
    x = 8,273.52

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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.