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Finding the Fourth Proportional to 8,341.94, 12,527.21 and 7,406.99

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Solution

The fourth proportional to 8,341.94, 12,527.21 and 7,406.99 is: 11,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.94 : 12,527.21 = 7,406.99 : x
  2. Step 2: Convert to fraction form
    8,341.94/12,527.21 = 7,406.99/x
  3. Step 3: Cross multiply
    8,341.94x = 12,527.21 × 7,406.99
  4. Step 4: Simplify right side
    8,341.94x = 92,788,919.20
  5. Step 5: Solve for x
    x = 92,788,919.20/8,341.94
  6. Step 6: Final answer
    x = 11,123.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.