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Finding the Fourth Proportional to 71,028.96, 98,023.16 and 40,824.08

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Solution

The fourth proportional to 71,028.96, 98,023.16 and 40,824.08 is: 56,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,028.96 : 98,023.16 = 40,824.08 : x
  2. Step 2: Convert to fraction form
    71,028.96/98,023.16 = 40,824.08/x
  3. Step 3: Cross multiply
    71,028.96x = 98,023.16 × 40,824.08
  4. Step 4: Simplify right side
    71,028.96x = 4,001,705,325.69
  5. Step 5: Solve for x
    x = 4,001,705,325.69/71,028.96
  6. Step 6: Final answer
    x = 56,339.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.