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Finding the Fourth Proportional to 40,486.25, 55,875.90 and 23,719.25

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Solution

The fourth proportional to 40,486.25, 55,875.90 and 23,719.25 is: 32,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,486.25 : 55,875.90 = 23,719.25 : x
  2. Step 2: Convert to fraction form
    40,486.25/55,875.90 = 23,719.25/x
  3. Step 3: Cross multiply
    40,486.25x = 55,875.90 × 23,719.25
  4. Step 4: Simplify right side
    40,486.25x = 1,325,334,441.08
  5. Step 5: Solve for x
    x = 1,325,334,441.08/40,486.25
  6. Step 6: Final answer
    x = 32,735.42

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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.