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Finding the Fourth Proportional to 71,036.83, 98,025.60 and 40,822.21

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Solution

The fourth proportional to 71,036.83, 98,025.60 and 40,822.21 is: 56,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,036.83 : 98,025.60 = 40,822.21 : x
  2. Step 2: Convert to fraction form
    71,036.83/98,025.60 = 40,822.21/x
  3. Step 3: Cross multiply
    71,036.83x = 98,025.60 × 40,822.21
  4. Step 4: Simplify right side
    71,036.83x = 4,001,621,628.58
  5. Step 5: Solve for x
    x = 4,001,621,628.58/71,036.83
  6. Step 6: Final answer
    x = 56,331.65

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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.