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Finding the Fourth Proportional to 74,831.60, 112,263.60 and 22,246.40

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Solution

The fourth proportional to 74,831.60, 112,263.60 and 22,246.40 is: 33,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,831.60 : 112,263.60 = 22,246.40 : x
  2. Step 2: Convert to fraction form
    74,831.60/112,263.60 = 22,246.40/x
  3. Step 3: Cross multiply
    74,831.60x = 112,263.60 × 22,246.40
  4. Step 4: Simplify right side
    74,831.60x = 2,497,460,951.04
  5. Step 5: Solve for x
    x = 2,497,460,951.04/74,831.60
  6. Step 6: Final answer
    x = 33,374.42

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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.