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Finding the Fourth Proportional to 14,236.51, 19,645.59 and 7,949.29

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Solution

The fourth proportional to 14,236.51, 19,645.59 and 7,949.29 is: 10,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.51 : 19,645.59 = 7,949.29 : x
  2. Step 2: Convert to fraction form
    14,236.51/19,645.59 = 7,949.29/x
  3. Step 3: Cross multiply
    14,236.51x = 19,645.59 × 7,949.29
  4. Step 4: Simplify right side
    14,236.51x = 156,168,492.13
  5. Step 5: Solve for x
    x = 156,168,492.13/14,236.51
  6. Step 6: Final answer
    x = 10,969.58

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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.