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Finding the Fourth Proportional to 37,341.56, 51,530.74 and 20,346

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Solution

The fourth proportional to 37,341.56, 51,530.74 and 20,346 is: 28,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,341.56 : 51,530.74 = 20,346 : x
  2. Step 2: Convert to fraction form
    37,341.56/51,530.74 = 20,346/x
  3. Step 3: Cross multiply
    37,341.56x = 51,530.74 × 20,346
  4. Step 4: Simplify right side
    37,341.56x = 1,048,444,436.04
  5. Step 5: Solve for x
    x = 1,048,444,436.04/37,341.56
  6. Step 6: Final answer
    x = 28,077.15

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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.