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Finding the Fourth Proportional to 25,662.27, 38,485.71 and 9,019.20

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Solution

The fourth proportional to 25,662.27, 38,485.71 and 9,019.20 is: 13,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.27 : 38,485.71 = 9,019.20 : x
  2. Step 2: Convert to fraction form
    25,662.27/38,485.71 = 9,019.20/x
  3. Step 3: Cross multiply
    25,662.27x = 38,485.71 × 9,019.20
  4. Step 4: Simplify right side
    25,662.27x = 347,110,315.63
  5. Step 5: Solve for x
    x = 347,110,315.63/25,662.27
  6. Step 6: Final answer
    x = 13,526.10

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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.