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Finding the Fourth Proportional to 61,525.28, 84,905.68 and 36,374.56

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Solution

The fourth proportional to 61,525.28, 84,905.68 and 36,374.56 is: 50,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,525.28 : 84,905.68 = 36,374.56 : x
  2. Step 2: Convert to fraction form
    61,525.28/84,905.68 = 36,374.56/x
  3. Step 3: Cross multiply
    61,525.28x = 84,905.68 × 36,374.56
  4. Step 4: Simplify right side
    61,525.28x = 3,088,406,751.50
  5. Step 5: Solve for x
    x = 3,088,406,751.50/61,525.28
  6. Step 6: Final answer
    x = 50,197.36

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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.