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Finding the Fourth Proportional to 27,492.76, 37,927.56 and 16,878.52

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Solution

The fourth proportional to 27,492.76, 37,927.56 and 16,878.52 is: 23,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,492.76 : 37,927.56 = 16,878.52 : x
  2. Step 2: Convert to fraction form
    27,492.76/37,927.56 = 16,878.52/x
  3. Step 3: Cross multiply
    27,492.76x = 37,927.56 × 16,878.52
  4. Step 4: Simplify right side
    27,492.76x = 640,161,080.01
  5. Step 5: Solve for x
    x = 640,161,080.01/27,492.76
  6. Step 6: Final answer
    x = 23,284.71

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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.