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Finding the Fourth Proportional to 40,876.71, 56,400.01 and 23,871.30

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Solution

The fourth proportional to 40,876.71, 56,400.01 and 23,871.30 is: 32,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,876.71 : 56,400.01 = 23,871.30 : x
  2. Step 2: Convert to fraction form
    40,876.71/56,400.01 = 23,871.30/x
  3. Step 3: Cross multiply
    40,876.71x = 56,400.01 × 23,871.30
  4. Step 4: Simplify right side
    40,876.71x = 1,346,341,499.03
  5. Step 5: Solve for x
    x = 1,346,341,499.03/40,876.71
  6. Step 6: Final answer
    x = 32,936.64

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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.