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Finding the Fourth Proportional to 26,759.64, 40,127.82 and 14,276.89

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Solution

The fourth proportional to 26,759.64, 40,127.82 and 14,276.89 is: 21,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,759.64 : 40,127.82 = 14,276.89 : x
  2. Step 2: Convert to fraction form
    26,759.64/40,127.82 = 14,276.89/x
  3. Step 3: Cross multiply
    26,759.64x = 40,127.82 × 14,276.89
  4. Step 4: Simplify right side
    26,759.64x = 572,900,472.08
  5. Step 5: Solve for x
    x = 572,900,472.08/26,759.64
  6. Step 6: Final answer
    x = 21,409.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.