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Finding the Fourth Proportional to 45,259.83, 67,831.17 and 25,268.80

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Solution

The fourth proportional to 45,259.83, 67,831.17 and 25,268.80 is: 37,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,259.83 : 67,831.17 = 25,268.80 : x
  2. Step 2: Convert to fraction form
    45,259.83/67,831.17 = 25,268.80/x
  3. Step 3: Cross multiply
    45,259.83x = 67,831.17 × 25,268.80
  4. Step 4: Simplify right side
    45,259.83x = 1,714,012,268.50
  5. Step 5: Solve for x
    x = 1,714,012,268.50/45,259.83
  6. Step 6: Final answer
    x = 37,870.50

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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.