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Finding the Fourth Proportional to 58,745.52, 88,118.28 and 21,310.56

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Solution

The fourth proportional to 58,745.52, 88,118.28 and 21,310.56 is: 31,965.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,745.52 : 88,118.28 = 21,310.56 : x
  2. Step 2: Convert to fraction form
    58,745.52/88,118.28 = 21,310.56/x
  3. Step 3: Cross multiply
    58,745.52x = 88,118.28 × 21,310.56
  4. Step 4: Simplify right side
    58,745.52x = 1,877,849,893.04
  5. Step 5: Solve for x
    x = 1,877,849,893.04/58,745.52
  6. Step 6: Final answer
    x = 31,965.84

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Similar ratio
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1.5x scale

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.