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Finding the Fourth Proportional to 17,486.76, 26,208.20 and 7,479.76

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Solution

The fourth proportional to 17,486.76, 26,208.20 and 7,479.76 is: 11,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,486.76 : 26,208.20 = 7,479.76 : x
  2. Step 2: Convert to fraction form
    17,486.76/26,208.20 = 7,479.76/x
  3. Step 3: Cross multiply
    17,486.76x = 26,208.20 × 7,479.76
  4. Step 4: Simplify right side
    17,486.76x = 196,030,877.59
  5. Step 5: Solve for x
    x = 196,030,877.59/17,486.76
  6. Step 6: Final answer
    x = 11,210.25

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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.