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Finding the Fourth Proportional to 35,392.98, 53,045.73 and 17,867.82

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Solution

The fourth proportional to 35,392.98, 53,045.73 and 17,867.82 is: 26,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.98 : 53,045.73 = 17,867.82 : x
  2. Step 2: Convert to fraction form
    35,392.98/53,045.73 = 17,867.82/x
  3. Step 3: Cross multiply
    35,392.98x = 53,045.73 × 17,867.82
  4. Step 4: Simplify right side
    35,392.98x = 947,811,555.41
  5. Step 5: Solve for x
    x = 947,811,555.41/35,392.98
  6. Step 6: Final answer
    x = 26,779.65

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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.