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Finding the Fourth Proportional to 8,595.45, 12,897.51 and 3,914.82

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Solution

The fourth proportional to 8,595.45, 12,897.51 and 3,914.82 is: 5,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.45 : 12,897.51 = 3,914.82 : x
  2. Step 2: Convert to fraction form
    8,595.45/12,897.51 = 3,914.82/x
  3. Step 3: Cross multiply
    8,595.45x = 12,897.51 × 3,914.82
  4. Step 4: Simplify right side
    8,595.45x = 50,491,430.10
  5. Step 5: Solve for x
    x = 50,491,430.10/8,595.45
  6. Step 6: Final answer
    x = 5,874.20

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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.