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Finding the Fourth Proportional to 14,341.76, 19,792.30 and 7,968.36

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Solution

The fourth proportional to 14,341.76, 19,792.30 and 7,968.36 is: 10,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.76 : 19,792.30 = 7,968.36 : x
  2. Step 2: Convert to fraction form
    14,341.76/19,792.30 = 7,968.36/x
  3. Step 3: Cross multiply
    14,341.76x = 19,792.30 × 7,968.36
  4. Step 4: Simplify right side
    14,341.76x = 157,712,171.63
  5. Step 5: Solve for x
    x = 157,712,171.63/14,341.76
  6. Step 6: Final answer
    x = 10,996.71

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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.