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Finding the Fourth Proportional to 35,952.64, 53,953.27 and 12,579.28

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Solution

The fourth proportional to 35,952.64, 53,953.27 and 12,579.28 is: 18,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,952.64 : 53,953.27 = 12,579.28 : x
  2. Step 2: Convert to fraction form
    35,952.64/53,953.27 = 12,579.28/x
  3. Step 3: Cross multiply
    35,952.64x = 53,953.27 × 12,579.28
  4. Step 4: Simplify right side
    35,952.64x = 678,693,290.25
  5. Step 5: Solve for x
    x = 678,693,290.25/35,952.64
  6. Step 6: Final answer
    x = 18,877.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.