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Finding the Fourth Proportional to 28,352.94, 42,515.44 and 9,626.14

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Solution

The fourth proportional to 28,352.94, 42,515.44 and 9,626.14 is: 14,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.94 : 42,515.44 = 9,626.14 : x
  2. Step 2: Convert to fraction form
    28,352.94/42,515.44 = 9,626.14/x
  3. Step 3: Cross multiply
    28,352.94x = 42,515.44 × 9,626.14
  4. Step 4: Simplify right side
    28,352.94x = 409,259,577.60
  5. Step 5: Solve for x
    x = 409,259,577.60/28,352.94
  6. Step 6: Final answer
    x = 14,434.47

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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.