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Finding the Fourth Proportional to 37,253.41, 51,409.70 and 20,486.41

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Solution

The fourth proportional to 37,253.41, 51,409.70 and 20,486.41 is: 28,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,253.41 : 51,409.70 = 20,486.41 : x
  2. Step 2: Convert to fraction form
    37,253.41/51,409.70 = 20,486.41/x
  3. Step 3: Cross multiply
    37,253.41x = 51,409.70 × 20,486.41
  4. Step 4: Simplify right side
    37,253.41x = 1,053,200,192.18
  5. Step 5: Solve for x
    x = 1,053,200,192.18/37,253.41
  6. Step 6: Final answer
    x = 28,271.24

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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.