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Finding the Fourth Proportional to 28,595.52, 42,894.48 and 8,887.44

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Solution

The fourth proportional to 28,595.52, 42,894.48 and 8,887.44 is: 13,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595.52 : 42,894.48 = 8,887.44 : x
  2. Step 2: Convert to fraction form
    28,595.52/42,894.48 = 8,887.44/x
  3. Step 3: Cross multiply
    28,595.52x = 42,894.48 × 8,887.44
  4. Step 4: Simplify right side
    28,595.52x = 381,222,117.33
  5. Step 5: Solve for x
    x = 381,222,117.33/28,595.52
  6. Step 6: Final answer
    x = 13,331.53

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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.