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Finding the Fourth Proportional to 27,336, 37,715.04 and 16,720.32

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Solution

The fourth proportional to 27,336, 37,715.04 and 16,720.32 is: 23,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,336 : 37,715.04 = 16,720.32 : x
  2. Step 2: Convert to fraction form
    27,336/37,715.04 = 16,720.32/x
  3. Step 3: Cross multiply
    27,336x = 37,715.04 × 16,720.32
  4. Step 4: Simplify right side
    27,336x = 630,607,537.61
  5. Step 5: Solve for x
    x = 630,607,537.61/27,336
  6. Step 6: Final answer
    x = 23,068.76

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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.