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Finding the Fourth Proportional to 32,893.88, 45,390.62 and 18,554.76

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Solution

The fourth proportional to 32,893.88, 45,390.62 and 18,554.76 is: 25,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,893.88 : 45,390.62 = 18,554.76 : x
  2. Step 2: Convert to fraction form
    32,893.88/45,390.62 = 18,554.76/x
  3. Step 3: Cross multiply
    32,893.88x = 45,390.62 × 18,554.76
  4. Step 4: Simplify right side
    32,893.88x = 842,212,060.35
  5. Step 5: Solve for x
    x = 842,212,060.35/32,893.88
  6. Step 6: Final answer
    x = 25,603.91

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1.5x scale

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.