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Finding the Fourth Proportional to 40,622, 56,064.88 and 23,851.76

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Solution

The fourth proportional to 40,622, 56,064.88 and 23,851.76 is: 32,919.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,622 : 56,064.88 = 23,851.76 : x
  2. Step 2: Convert to fraction form
    40,622/56,064.88 = 23,851.76/x
  3. Step 3: Cross multiply
    40,622x = 56,064.88 × 23,851.76
  4. Step 4: Simplify right side
    40,622x = 1,337,246,062.19
  5. Step 5: Solve for x
    x = 1,337,246,062.19/40,622
  6. Step 6: Final answer
    x = 32,919.26

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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.