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Finding the Fourth Proportional to 27,349.66, 37,742.51 and 14,774.41

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Solution

The fourth proportional to 27,349.66, 37,742.51 and 14,774.41 is: 20,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,349.66 : 37,742.51 = 14,774.41 : x
  2. Step 2: Convert to fraction form
    27,349.66/37,742.51 = 14,774.41/x
  3. Step 3: Cross multiply
    27,349.66x = 37,742.51 × 14,774.41
  4. Step 4: Simplify right side
    27,349.66x = 557,623,259.75
  5. Step 5: Solve for x
    x = 557,623,259.75/27,349.66
  6. Step 6: Final answer
    x = 20,388.67

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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.