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Finding the Fourth Proportional to 17,025.30, 25,515.78 and 9,528.54

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Solution

The fourth proportional to 17,025.30, 25,515.78 and 9,528.54 is: 14,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,025.30 : 25,515.78 = 9,528.54 : x
  2. Step 2: Convert to fraction form
    17,025.30/25,515.78 = 9,528.54/x
  3. Step 3: Cross multiply
    17,025.30x = 25,515.78 × 9,528.54
  4. Step 4: Simplify right side
    17,025.30x = 243,128,130.36
  5. Step 5: Solve for x
    x = 243,128,130.36/17,025.30
  6. Step 6: Final answer
    x = 14,280.40

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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.