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Finding the Fourth Proportional to 18,532.59, 27,782.58 and 9,629.19

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Solution

The fourth proportional to 18,532.59, 27,782.58 and 9,629.19 is: 14,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.59 : 27,782.58 = 9,629.19 : x
  2. Step 2: Convert to fraction form
    18,532.59/27,782.58 = 9,629.19/x
  3. Step 3: Cross multiply
    18,532.59x = 27,782.58 × 9,629.19
  4. Step 4: Simplify right side
    18,532.59x = 267,523,741.51
  5. Step 5: Solve for x
    x = 267,523,741.51/18,532.59
  6. Step 6: Final answer
    x = 14,435.31

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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.