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Finding the Fourth Proportional to 13,954.71, 19,252.06 and 7,903.56

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Solution

The fourth proportional to 13,954.71, 19,252.06 and 7,903.56 is: 10,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.71 : 19,252.06 = 7,903.56 : x
  2. Step 2: Convert to fraction form
    13,954.71/19,252.06 = 7,903.56/x
  3. Step 3: Cross multiply
    13,954.71x = 19,252.06 × 7,903.56
  4. Step 4: Simplify right side
    13,954.71x = 152,159,695.31
  5. Step 5: Solve for x
    x = 152,159,695.31/13,954.71
  6. Step 6: Final answer
    x = 10,903.83

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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.