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Finding the Fourth Proportional to 27,308.16, 40,968.48 and 11,730.24

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Solution

The fourth proportional to 27,308.16, 40,968.48 and 11,730.24 is: 17,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.16 : 40,968.48 = 11,730.24 : x
  2. Step 2: Convert to fraction form
    27,308.16/40,968.48 = 11,730.24/x
  3. Step 3: Cross multiply
    27,308.16x = 40,968.48 × 11,730.24
  4. Step 4: Simplify right side
    27,308.16x = 480,570,102.84
  5. Step 5: Solve for x
    x = 480,570,102.84/27,308.16
  6. Step 6: Final answer
    x = 17,598.04

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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.