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Finding the Fourth Proportional to 27,390.75, 37,799.24 and 16,212.75

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Solution

The fourth proportional to 27,390.75, 37,799.24 and 16,212.75 is: 22,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.75 : 37,799.24 = 16,212.75 : x
  2. Step 2: Convert to fraction form
    27,390.75/37,799.24 = 16,212.75/x
  3. Step 3: Cross multiply
    27,390.75x = 37,799.24 × 16,212.75
  4. Step 4: Simplify right side
    27,390.75x = 612,829,547.25
  5. Step 5: Solve for x
    x = 612,829,547.25/27,390.75
  6. Step 6: Final answer
    x = 22,373.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.