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Finding the Fourth Proportional to 8,874.51, 13,316.28 and 5,914.98

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Solution

The fourth proportional to 8,874.51, 13,316.28 and 5,914.98 is: 8,875.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.51 : 13,316.28 = 5,914.98 : x
  2. Step 2: Convert to fraction form
    8,874.51/13,316.28 = 5,914.98/x
  3. Step 3: Cross multiply
    8,874.51x = 13,316.28 × 5,914.98
  4. Step 4: Simplify right side
    8,874.51x = 78,765,529.87
  5. Step 5: Solve for x
    x = 78,765,529.87/8,874.51
  6. Step 6: Final answer
    x = 8,875.48

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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.