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Finding the Fourth Proportional to 39,852.70, 59,765.08 and 11,765.26

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Solution

The fourth proportional to 39,852.70, 59,765.08 and 11,765.26 is: 17,643.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,852.70 : 59,765.08 = 11,765.26 : x
  2. Step 2: Convert to fraction form
    39,852.70/59,765.08 = 11,765.26/x
  3. Step 3: Cross multiply
    39,852.70x = 59,765.08 × 11,765.26
  4. Step 4: Simplify right side
    39,852.70x = 703,151,705.12
  5. Step 5: Solve for x
    x = 703,151,705.12/39,852.70
  6. Step 6: Final answer
    x = 17,643.77

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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.