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Finding the Fourth Proportional to 88,595.88, 132,910.94 and 28,640.50

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Solution

The fourth proportional to 88,595.88, 132,910.94 and 28,640.50 is: 42,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,595.88 : 132,910.94 = 28,640.50 : x
  2. Step 2: Convert to fraction form
    88,595.88/132,910.94 = 28,640.50/x
  3. Step 3: Cross multiply
    88,595.88x = 132,910.94 × 28,640.50
  4. Step 4: Simplify right side
    88,595.88x = 3,806,635,777.07
  5. Step 5: Solve for x
    x = 3,806,635,777.07/88,595.88
  6. Step 6: Final answer
    x = 42,966.28

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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.