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Finding the Fourth Proportional to 27,076.16, 40,615.08 and 7,354.64

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Solution

The fourth proportional to 27,076.16, 40,615.08 and 7,354.64 is: 11,032.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,076.16 : 40,615.08 = 7,354.64 : x
  2. Step 2: Convert to fraction form
    27,076.16/40,615.08 = 7,354.64/x
  3. Step 3: Cross multiply
    27,076.16x = 40,615.08 × 7,354.64
  4. Step 4: Simplify right side
    27,076.16x = 298,709,291.97
  5. Step 5: Solve for x
    x = 298,709,291.97/27,076.16
  6. Step 6: Final answer
    x = 11,032.19

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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.