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Finding the Fourth Proportional to 8,567.79, 11,822.02 and 4,789.77

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Solution

The fourth proportional to 8,567.79, 11,822.02 and 4,789.77 is: 6,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.79 : 11,822.02 = 4,789.77 : x
  2. Step 2: Convert to fraction form
    8,567.79/11,822.02 = 4,789.77/x
  3. Step 3: Cross multiply
    8,567.79x = 11,822.02 × 4,789.77
  4. Step 4: Simplify right side
    8,567.79x = 56,624,756.74
  5. Step 5: Solve for x
    x = 56,624,756.74/8,567.79
  6. Step 6: Final answer
    x = 6,609.03

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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.