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Finding the Fourth Proportional to 39,211.56, 58,827.24 and 11,509.56

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Solution

The fourth proportional to 39,211.56, 58,827.24 and 11,509.56 is: 17,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,211.56 : 58,827.24 = 11,509.56 : x
  2. Step 2: Convert to fraction form
    39,211.56/58,827.24 = 11,509.56/x
  3. Step 3: Cross multiply
    39,211.56x = 58,827.24 × 11,509.56
  4. Step 4: Simplify right side
    39,211.56x = 677,075,648.41
  5. Step 5: Solve for x
    x = 677,075,648.41/39,211.56
  6. Step 6: Final answer
    x = 17,267.25

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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.