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Finding the Fourth Proportional to 8,527.46, 12,809.80 and 6,078.02

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Solution

The fourth proportional to 8,527.46, 12,809.80 and 6,078.02 is: 9,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.46 : 12,809.80 = 6,078.02 : x
  2. Step 2: Convert to fraction form
    8,527.46/12,809.80 = 6,078.02/x
  3. Step 3: Cross multiply
    8,527.46x = 12,809.80 × 6,078.02
  4. Step 4: Simplify right side
    8,527.46x = 77,858,220.60
  5. Step 5: Solve for x
    x = 77,858,220.60/8,527.46
  6. Step 6: Final answer
    x = 9,130.29

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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.