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Finding the Fourth Proportional to 14,342.17, 19,792.43 and 8,054.41

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Solution

The fourth proportional to 14,342.17, 19,792.43 and 8,054.41 is: 11,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.17 : 19,792.43 = 8,054.41 : x
  2. Step 2: Convert to fraction form
    14,342.17/19,792.43 = 8,054.41/x
  3. Step 3: Cross multiply
    14,342.17x = 19,792.43 × 8,054.41
  4. Step 4: Simplify right side
    14,342.17x = 159,416,346.12
  5. Step 5: Solve for x
    x = 159,416,346.12/14,342.17
  6. Step 6: Final answer
    x = 11,115.22

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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.