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Finding the Fourth Proportional to 25,845.60, 38,703.60 and 17,032.80

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Solution

The fourth proportional to 25,845.60, 38,703.60 and 17,032.80 is: 25,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845.60 : 38,703.60 = 17,032.80 : x
  2. Step 2: Convert to fraction form
    25,845.60/38,703.60 = 17,032.80/x
  3. Step 3: Cross multiply
    25,845.60x = 38,703.60 × 17,032.80
  4. Step 4: Simplify right side
    25,845.60x = 659,230,678.08
  5. Step 5: Solve for x
    x = 659,230,678.08/25,845.60
  6. Step 6: Final answer
    x = 25,506.50

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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.