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Finding the Fourth Proportional to 27,668.93, 41,512.15 and 9,899.20

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Solution

The fourth proportional to 27,668.93, 41,512.15 and 9,899.20 is: 14,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,668.93 : 41,512.15 = 9,899.20 : x
  2. Step 2: Convert to fraction form
    27,668.93/41,512.15 = 9,899.20/x
  3. Step 3: Cross multiply
    27,668.93x = 41,512.15 × 9,899.20
  4. Step 4: Simplify right side
    27,668.93x = 410,937,088.13
  5. Step 5: Solve for x
    x = 410,937,088.13/27,668.93
  6. Step 6: Final answer
    x = 14,851.93

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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.