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Finding the Fourth Proportional to 26,378.88, 36,402.88 and 14,442.94

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Solution

The fourth proportional to 26,378.88, 36,402.88 and 14,442.94 is: 19,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.88 : 36,402.88 = 14,442.94 : x
  2. Step 2: Convert to fraction form
    26,378.88/36,402.88 = 14,442.94/x
  3. Step 3: Cross multiply
    26,378.88x = 36,402.88 × 14,442.94
  4. Step 4: Simplify right side
    26,378.88x = 525,764,611.67
  5. Step 5: Solve for x
    x = 525,764,611.67/26,378.88
  6. Step 6: Final answer
    x = 19,931.27

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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.