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Finding the Fourth Proportional to 26,831.60, 40,252.80 and 9,297.80

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Solution

The fourth proportional to 26,831.60, 40,252.80 and 9,297.80 is: 13,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,831.60 : 40,252.80 = 9,297.80 : x
  2. Step 2: Convert to fraction form
    26,831.60/40,252.80 = 9,297.80/x
  3. Step 3: Cross multiply
    26,831.60x = 40,252.80 × 9,297.80
  4. Step 4: Simplify right side
    26,831.60x = 374,262,483.84
  5. Step 5: Solve for x
    x = 374,262,483.84/26,831.60
  6. Step 6: Final answer
    x = 13,948.57

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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.