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Finding the Fourth Proportional to 40,670.64, 56,120.76 and 22,766.64

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Solution

The fourth proportional to 40,670.64, 56,120.76 and 22,766.64 is: 31,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,670.64 : 56,120.76 = 22,766.64 : x
  2. Step 2: Convert to fraction form
    40,670.64/56,120.76 = 22,766.64/x
  3. Step 3: Cross multiply
    40,670.64x = 56,120.76 × 22,766.64
  4. Step 4: Simplify right side
    40,670.64x = 1,277,681,139.45
  5. Step 5: Solve for x
    x = 1,277,681,139.45/40,670.64
  6. Step 6: Final answer
    x = 31,415.32

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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.