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Finding the Fourth Proportional to 26,368.88, 36,384 and 15,754.64

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Solution

The fourth proportional to 26,368.88, 36,384 and 15,754.64 is: 21,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,368.88 : 36,384 = 15,754.64 : x
  2. Step 2: Convert to fraction form
    26,368.88/36,384 = 15,754.64/x
  3. Step 3: Cross multiply
    26,368.88x = 36,384 × 15,754.64
  4. Step 4: Simplify right side
    26,368.88x = 573,216,821.76
  5. Step 5: Solve for x
    x = 573,216,821.76/26,368.88
  6. Step 6: Final answer
    x = 21,738.38

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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.