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Finding the Fourth Proportional to 18,733.71, 25,852.50 and 10,350.21

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Solution

The fourth proportional to 18,733.71, 25,852.50 and 10,350.21 is: 14,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.71 : 25,852.50 = 10,350.21 : x
  2. Step 2: Convert to fraction form
    18,733.71/25,852.50 = 10,350.21/x
  3. Step 3: Cross multiply
    18,733.71x = 25,852.50 × 10,350.21
  4. Step 4: Simplify right side
    18,733.71x = 267,578,804.03
  5. Step 5: Solve for x
    x = 267,578,804.03/18,733.71
  6. Step 6: Final answer
    x = 14,283.28

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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.