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Finding the Fourth Proportional to 15,041.94, 20,759.74 and 8,583.17

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Solution

The fourth proportional to 15,041.94, 20,759.74 and 8,583.17 is: 11,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.94 : 20,759.74 = 8,583.17 : x
  2. Step 2: Convert to fraction form
    15,041.94/20,759.74 = 8,583.17/x
  3. Step 3: Cross multiply
    15,041.94x = 20,759.74 × 8,583.17
  4. Step 4: Simplify right side
    15,041.94x = 178,184,377.58
  5. Step 5: Solve for x
    x = 178,184,377.58/15,041.94
  6. Step 6: Final answer
    x = 11,845.84

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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.