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Finding the Fourth Proportional to 27,291.36, 40,941.64 and 8,567.76

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Solution

The fourth proportional to 27,291.36, 40,941.64 and 8,567.76 is: 12,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,291.36 : 40,941.64 = 8,567.76 : x
  2. Step 2: Convert to fraction form
    27,291.36/40,941.64 = 8,567.76/x
  3. Step 3: Cross multiply
    27,291.36x = 40,941.64 × 8,567.76
  4. Step 4: Simplify right side
    27,291.36x = 350,778,145.53
  5. Step 5: Solve for x
    x = 350,778,145.53/27,291.36
  6. Step 6: Final answer
    x = 12,853.08

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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.