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Finding the Fourth Proportional to 52,618.83, 79,283.47 and 43,463.94

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Solution

The fourth proportional to 52,618.83, 79,283.47 and 43,463.94 is: 65,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,618.83 : 79,283.47 = 43,463.94 : x
  2. Step 2: Convert to fraction form
    52,618.83/79,283.47 = 43,463.94/x
  3. Step 3: Cross multiply
    52,618.83x = 79,283.47 × 43,463.94
  4. Step 4: Simplify right side
    52,618.83x = 3,445,971,765.75
  5. Step 5: Solve for x
    x = 3,445,971,765.75/52,618.83
  6. Step 6: Final answer
    x = 65,489.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.