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Finding the Fourth Proportional to 83,833.60, 125,750.44 and 21,504.12

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Solution

The fourth proportional to 83,833.60, 125,750.44 and 21,504.12 is: 32,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,833.60 : 125,750.44 = 21,504.12 : x
  2. Step 2: Convert to fraction form
    83,833.60/125,750.44 = 21,504.12/x
  3. Step 3: Cross multiply
    83,833.60x = 125,750.44 × 21,504.12
  4. Step 4: Simplify right side
    83,833.60x = 2,704,152,551.81
  5. Step 5: Solve for x
    x = 2,704,152,551.81/83,833.60
  6. Step 6: Final answer
    x = 32,256.19

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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.