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Finding the Fourth Proportional to 12,867.75, 17,595.35 and 12,867.75

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Solution

The fourth proportional to 12,867.75, 17,595.35 and 12,867.75 is: 17,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.75 : 17,595.35 = 12,867.75 : x
  2. Step 2: Convert to fraction form
    12,867.75/17,595.35 = 12,867.75/x
  3. Step 3: Cross multiply
    12,867.75x = 17,595.35 × 12,867.75
  4. Step 4: Simplify right side
    12,867.75x = 226,412,564.96
  5. Step 5: Solve for x
    x = 226,412,564.96/12,867.75
  6. Step 6: Final answer
    x = 17,595.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.