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Finding the Fourth Proportional to 51,254.64, 70,731.43 and 28,593.63

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Solution

The fourth proportional to 51,254.64, 70,731.43 and 28,593.63 is: 39,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,254.64 : 70,731.43 = 28,593.63 : x
  2. Step 2: Convert to fraction form
    51,254.64/70,731.43 = 28,593.63/x
  3. Step 3: Cross multiply
    51,254.64x = 70,731.43 × 28,593.63
  4. Step 4: Simplify right side
    51,254.64x = 2,022,468,041.06
  5. Step 5: Solve for x
    x = 2,022,468,041.06/51,254.64
  6. Step 6: Final answer
    x = 39,459.22

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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.