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Finding the Fourth Proportional to 83,484.56, 125,232.60 and 30,892.88

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Solution

The fourth proportional to 83,484.56, 125,232.60 and 30,892.88 is: 46,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,484.56 : 125,232.60 = 30,892.88 : x
  2. Step 2: Convert to fraction form
    83,484.56/125,232.60 = 30,892.88/x
  3. Step 3: Cross multiply
    83,484.56x = 125,232.60 × 30,892.88
  4. Step 4: Simplify right side
    83,484.56x = 3,868,795,683.89
  5. Step 5: Solve for x
    x = 3,868,795,683.89/83,484.56
  6. Step 6: Final answer
    x = 46,341.45

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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.