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Finding the Fourth Proportional to 40,265, 55,565.72 and 22,362.92

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Solution

The fourth proportional to 40,265, 55,565.72 and 22,362.92 is: 30,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,265 : 55,565.72 = 22,362.92 : x
  2. Step 2: Convert to fraction form
    40,265/55,565.72 = 22,362.92/x
  3. Step 3: Cross multiply
    40,265x = 55,565.72 × 22,362.92
  4. Step 4: Simplify right side
    40,265x = 1,242,611,751.10
  5. Step 5: Solve for x
    x = 1,242,611,751.10/40,265
  6. Step 6: Final answer
    x = 30,860.84

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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.