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Finding the Fourth Proportional to 17,903.97, 26,899.29 and 15,804.45

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Solution

The fourth proportional to 17,903.97, 26,899.29 and 15,804.45 is: 23,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,903.97 : 26,899.29 = 15,804.45 : x
  2. Step 2: Convert to fraction form
    17,903.97/26,899.29 = 15,804.45/x
  3. Step 3: Cross multiply
    17,903.97x = 26,899.29 × 15,804.45
  4. Step 4: Simplify right side
    17,903.97x = 425,128,483.84
  5. Step 5: Solve for x
    x = 425,128,483.84/17,903.97
  6. Step 6: Final answer
    x = 23,744.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.