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Finding the Fourth Proportional to 71,628.68, 107,443.02 and 24,881.60

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Solution

The fourth proportional to 71,628.68, 107,443.02 and 24,881.60 is: 37,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,628.68 : 107,443.02 = 24,881.60 : x
  2. Step 2: Convert to fraction form
    71,628.68/107,443.02 = 24,881.60/x
  3. Step 3: Cross multiply
    71,628.68x = 107,443.02 × 24,881.60
  4. Step 4: Simplify right side
    71,628.68x = 2,673,354,246.43
  5. Step 5: Solve for x
    x = 2,673,354,246.43/71,628.68
  6. Step 6: Final answer
    x = 37,322.40

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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.