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Finding the Fourth Proportional to 27,066.08, 40,497.04 and 15,978.80

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Solution

The fourth proportional to 27,066.08, 40,497.04 and 15,978.80 is: 23,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,066.08 : 40,497.04 = 15,978.80 : x
  2. Step 2: Convert to fraction form
    27,066.08/40,497.04 = 15,978.80/x
  3. Step 3: Cross multiply
    27,066.08x = 40,497.04 × 15,978.80
  4. Step 4: Simplify right side
    27,066.08x = 647,094,102.75
  5. Step 5: Solve for x
    x = 647,094,102.75/27,066.08
  6. Step 6: Final answer
    x = 23,907.94

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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.