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Finding the Fourth Proportional to 39,573.50, 59,360.25 and 11,871.50

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Solution

The fourth proportional to 39,573.50, 59,360.25 and 11,871.50 is: 17,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,573.50 : 59,360.25 = 11,871.50 : x
  2. Step 2: Convert to fraction form
    39,573.50/59,360.25 = 11,871.50/x
  3. Step 3: Cross multiply
    39,573.50x = 59,360.25 × 11,871.50
  4. Step 4: Simplify right side
    39,573.50x = 704,695,207.88
  5. Step 5: Solve for x
    x = 704,695,207.88/39,573.50
  6. Step 6: Final answer
    x = 17,807.25

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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.