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Finding the Fourth Proportional to 28,999.40, 40,017.19 and 16,250.41

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Solution

The fourth proportional to 28,999.40, 40,017.19 and 16,250.41 is: 22,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.40 : 40,017.19 = 16,250.41 : x
  2. Step 2: Convert to fraction form
    28,999.40/40,017.19 = 16,250.41/x
  3. Step 3: Cross multiply
    28,999.40x = 40,017.19 × 16,250.41
  4. Step 4: Simplify right side
    28,999.40x = 650,295,559.32
  5. Step 5: Solve for x
    x = 650,295,559.32/28,999.40
  6. Step 6: Final answer
    x = 22,424.45

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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.