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Finding the Fourth Proportional to 63,214.56, 87,253.47 and 39,326.99

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Solution

The fourth proportional to 63,214.56, 87,253.47 and 39,326.99 is: 54,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,214.56 : 87,253.47 = 39,326.99 : x
  2. Step 2: Convert to fraction form
    63,214.56/87,253.47 = 39,326.99/x
  3. Step 3: Cross multiply
    63,214.56x = 87,253.47 × 39,326.99
  4. Step 4: Simplify right side
    63,214.56x = 3,431,415,905.89
  5. Step 5: Solve for x
    x = 3,431,415,905.89/63,214.56
  6. Step 6: Final answer
    x = 54,282.05

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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.