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Finding the Fourth Proportional to 27,377.72, 41,066.64 and 8,909.72

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Solution

The fourth proportional to 27,377.72, 41,066.64 and 8,909.72 is: 13,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377.72 : 41,066.64 = 8,909.72 : x
  2. Step 2: Convert to fraction form
    27,377.72/41,066.64 = 8,909.72/x
  3. Step 3: Cross multiply
    27,377.72x = 41,066.64 × 8,909.72
  4. Step 4: Simplify right side
    27,377.72x = 365,892,263.74
  5. Step 5: Solve for x
    x = 365,892,263.74/27,377.72
  6. Step 6: Final answer
    x = 13,364.60

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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.