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Finding the Fourth Proportional to 37,316, 51,496.08 and 20,549

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Solution

The fourth proportional to 37,316, 51,496.08 and 20,549 is: 28,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,316 : 51,496.08 = 20,549 : x
  2. Step 2: Convert to fraction form
    37,316/51,496.08 = 20,549/x
  3. Step 3: Cross multiply
    37,316x = 51,496.08 × 20,549
  4. Step 4: Simplify right side
    37,316x = 1,058,192,947.92
  5. Step 5: Solve for x
    x = 1,058,192,947.92/37,316
  6. Step 6: Final answer
    x = 28,357.62

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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.