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Finding the Fourth Proportional to 14,341.59, 19,791.10 and 7,968.20

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Solution

The fourth proportional to 14,341.59, 19,791.10 and 7,968.20 is: 10,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.59 : 19,791.10 = 7,968.20 : x
  2. Step 2: Convert to fraction form
    14,341.59/19,791.10 = 7,968.20/x
  3. Step 3: Cross multiply
    14,341.59x = 19,791.10 × 7,968.20
  4. Step 4: Simplify right side
    14,341.59x = 157,699,376.07
  5. Step 5: Solve for x
    x = 157,699,376.07/14,341.59
  6. Step 6: Final answer
    x = 10,995.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.