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Finding the Fourth Proportional to 14,341.55, 19,791.06 and 7,968.11

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Solution

The fourth proportional to 14,341.55, 19,791.06 and 7,968.11 is: 10,995.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.55 : 19,791.06 = 7,968.11 : x
  2. Step 2: Convert to fraction form
    14,341.55/19,791.06 = 7,968.11/x
  3. Step 3: Cross multiply
    14,341.55x = 19,791.06 × 7,968.11
  4. Step 4: Simplify right side
    14,341.55x = 157,697,343.10
  5. Step 5: Solve for x
    x = 157,697,343.10/14,341.55
  6. Step 6: Final answer
    x = 10,995.84

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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.