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Finding the Fourth Proportional to 37,543.86, 51,810.51 and 20,548.11

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Solution

The fourth proportional to 37,543.86, 51,810.51 and 20,548.11 is: 28,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,543.86 : 51,810.51 = 20,548.11 : x
  2. Step 2: Convert to fraction form
    37,543.86/51,810.51 = 20,548.11/x
  3. Step 3: Cross multiply
    37,543.86x = 51,810.51 × 20,548.11
  4. Step 4: Simplify right side
    37,543.86x = 1,064,608,058.64
  5. Step 5: Solve for x
    x = 1,064,608,058.64/37,543.86
  6. Step 6: Final answer
    x = 28,356.38

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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.