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Finding the Fourth Proportional to 6,156, 8,495.21 and 3,503.41

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Solution

The fourth proportional to 6,156, 8,495.21 and 3,503.41 is: 4,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156 : 8,495.21 = 3,503.41 : x
  2. Step 2: Convert to fraction form
    6,156/8,495.21 = 3,503.41/x
  3. Step 3: Cross multiply
    6,156x = 8,495.21 × 3,503.41
  4. Step 4: Simplify right side
    6,156x = 29,762,191.19
  5. Step 5: Solve for x
    x = 29,762,191.19/6,156
  6. Step 6: Final answer
    x = 4,834.66

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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.