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Finding the Fourth Proportional to 35,335.71, 53,027.82 and 14,559.21

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Solution

The fourth proportional to 35,335.71, 53,027.82 and 14,559.21 is: 21,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.71 : 53,027.82 = 14,559.21 : x
  2. Step 2: Convert to fraction form
    35,335.71/53,027.82 = 14,559.21/x
  3. Step 3: Cross multiply
    35,335.71x = 53,027.82 × 14,559.21
  4. Step 4: Simplify right side
    35,335.71x = 772,043,167.22
  5. Step 5: Solve for x
    x = 772,043,167.22/35,335.71
  6. Step 6: Final answer
    x = 21,848.81

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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.