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Finding the Fourth Proportional to 7,809.63, 10,766.08 and 5,567.61

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Solution

The fourth proportional to 7,809.63, 10,766.08 and 5,567.61 is: 7,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.63 : 10,766.08 = 5,567.61 : x
  2. Step 2: Convert to fraction form
    7,809.63/10,766.08 = 5,567.61/x
  3. Step 3: Cross multiply
    7,809.63x = 10,766.08 × 5,567.61
  4. Step 4: Simplify right side
    7,809.63x = 59,941,310.91
  5. Step 5: Solve for x
    x = 59,941,310.91/7,809.63
  6. Step 6: Final answer
    x = 7,675.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.