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Finding the Fourth Proportional to 37,392.88, 51,605.82 and 20,625.88

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Solution

The fourth proportional to 37,392.88, 51,605.82 and 20,625.88 is: 28,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,392.88 : 51,605.82 = 20,625.88 : x
  2. Step 2: Convert to fraction form
    37,392.88/51,605.82 = 20,625.88/x
  3. Step 3: Cross multiply
    37,392.88x = 51,605.82 × 20,625.88
  4. Step 4: Simplify right side
    37,392.88x = 1,064,415,089.46
  5. Step 5: Solve for x
    x = 1,064,415,089.46/37,392.88
  6. Step 6: Final answer
    x = 28,465.72

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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.