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Finding the Fourth Proportional to 27,612.52, 41,412.90 and 7,885.84

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Solution

The fourth proportional to 27,612.52, 41,412.90 and 7,885.84 is: 11,827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.52 : 41,412.90 = 7,885.84 : x
  2. Step 2: Convert to fraction form
    27,612.52/41,412.90 = 7,885.84/x
  3. Step 3: Cross multiply
    27,612.52x = 41,412.90 × 7,885.84
  4. Step 4: Simplify right side
    27,612.52x = 326,575,503.34
  5. Step 5: Solve for x
    x = 326,575,503.34/27,612.52
  6. Step 6: Final answer
    x = 11,827.08

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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.