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Finding the Fourth Proportional to 71,030.96, 98,025.92 and 40,826.08

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Solution

The fourth proportional to 71,030.96, 98,025.92 and 40,826.08 is: 56,341.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,030.96 : 98,025.92 = 40,826.08 : x
  2. Step 2: Convert to fraction form
    71,030.96/98,025.92 = 40,826.08/x
  3. Step 3: Cross multiply
    71,030.96x = 98,025.92 × 40,826.08
  4. Step 4: Simplify right side
    71,030.96x = 4,002,014,051.99
  5. Step 5: Solve for x
    x = 4,002,014,051.99/71,030.96
  6. Step 6: Final answer
    x = 56,341.83

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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.