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Finding the Fourth Proportional to 26,375.76, 36,398.16 and 14,438.79

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Solution

The fourth proportional to 26,375.76, 36,398.16 and 14,438.79 is: 19,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375.76 : 36,398.16 = 14,438.79 : x
  2. Step 2: Convert to fraction form
    26,375.76/36,398.16 = 14,438.79/x
  3. Step 3: Cross multiply
    26,375.76x = 36,398.16 × 14,438.79
  4. Step 4: Simplify right side
    26,375.76x = 525,545,388.63
  5. Step 5: Solve for x
    x = 525,545,388.63/26,375.76
  6. Step 6: Final answer
    x = 19,925.32

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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.