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Finding the Fourth Proportional to 8,567.49, 12,852.54 and 3,019.86

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Solution

The fourth proportional to 8,567.49, 12,852.54 and 3,019.86 is: 4,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.49 : 12,852.54 = 3,019.86 : x
  2. Step 2: Convert to fraction form
    8,567.49/12,852.54 = 3,019.86/x
  3. Step 3: Cross multiply
    8,567.49x = 12,852.54 × 3,019.86
  4. Step 4: Simplify right side
    8,567.49x = 38,812,871.44
  5. Step 5: Solve for x
    x = 38,812,871.44/8,567.49
  6. Step 6: Final answer
    x = 4,530.25

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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.