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Finding the Fourth Proportional to 27,152.55, 37,472.62 and 15,217

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Solution

The fourth proportional to 27,152.55, 37,472.62 and 15,217 is: 21,000.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.55 : 37,472.62 = 15,217 : x
  2. Step 2: Convert to fraction form
    27,152.55/37,472.62 = 15,217/x
  3. Step 3: Cross multiply
    27,152.55x = 37,472.62 × 15,217
  4. Step 4: Simplify right side
    27,152.55x = 570,220,858.54
  5. Step 5: Solve for x
    x = 570,220,858.54/27,152.55
  6. Step 6: Final answer
    x = 21,000.64

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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.