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Finding the Fourth Proportional to 26,712, 36,861.95 and 14,775.44

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Solution

The fourth proportional to 26,712, 36,861.95 and 14,775.44 is: 20,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712 : 36,861.95 = 14,775.44 : x
  2. Step 2: Convert to fraction form
    26,712/36,861.95 = 14,775.44/x
  3. Step 3: Cross multiply
    26,712x = 36,861.95 × 14,775.44
  4. Step 4: Simplify right side
    26,712x = 544,651,383.14
  5. Step 5: Solve for x
    x = 544,651,383.14/26,712
  6. Step 6: Final answer
    x = 20,389.76

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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.