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Finding the Fourth Proportional to 26,752.72, 36,915.12 and 14,813.12

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Solution

The fourth proportional to 26,752.72, 36,915.12 and 14,813.12 is: 20,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,752.72 : 36,915.12 = 14,813.12 : x
  2. Step 2: Convert to fraction form
    26,752.72/36,915.12 = 14,813.12/x
  3. Step 3: Cross multiply
    26,752.72x = 36,915.12 × 14,813.12
  4. Step 4: Simplify right side
    26,752.72x = 546,828,102.37
  5. Step 5: Solve for x
    x = 546,828,102.37/26,752.72
  6. Step 6: Final answer
    x = 20,440.09

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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.