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Finding the Fourth Proportional to 17,448.60, 26,164.80 and 7,582.80

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Solution

The fourth proportional to 17,448.60, 26,164.80 and 7,582.80 is: 11,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,448.60 : 26,164.80 = 7,582.80 : x
  2. Step 2: Convert to fraction form
    17,448.60/26,164.80 = 7,582.80/x
  3. Step 3: Cross multiply
    17,448.60x = 26,164.80 × 7,582.80
  4. Step 4: Simplify right side
    17,448.60x = 198,402,445.44
  5. Step 5: Solve for x
    x = 198,402,445.44/17,448.60
  6. Step 6: Final answer
    x = 11,370.68

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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.