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Finding the Fourth Proportional to 5,918.68, 8,888.10 and 5,671

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Solution

The fourth proportional to 5,918.68, 8,888.10 and 5,671 is: 8,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.68 : 8,888.10 = 5,671 : x
  2. Step 2: Convert to fraction form
    5,918.68/8,888.10 = 5,671/x
  3. Step 3: Cross multiply
    5,918.68x = 8,888.10 × 5,671
  4. Step 4: Simplify right side
    5,918.68x = 50,404,415.10
  5. Step 5: Solve for x
    x = 50,404,415.10/5,918.68
  6. Step 6: Final answer
    x = 8,516.16

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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.