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Finding the Fourth Proportional to 39,382.60, 59,102.70 and 26,230.60

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Solution

The fourth proportional to 39,382.60, 59,102.70 and 26,230.60 is: 39,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,382.60 : 59,102.70 = 26,230.60 : x
  2. Step 2: Convert to fraction form
    39,382.60/59,102.70 = 26,230.60/x
  3. Step 3: Cross multiply
    39,382.60x = 59,102.70 × 26,230.60
  4. Step 4: Simplify right side
    39,382.60x = 1,550,299,282.62
  5. Step 5: Solve for x
    x = 1,550,299,282.62/39,382.60
  6. Step 6: Final answer
    x = 39,365.08

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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.