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Finding the Fourth Proportional to 10,563.94, 14,559.18 and 9,354.41

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Solution

The fourth proportional to 10,563.94, 14,559.18 and 9,354.41 is: 12,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563.94 : 14,559.18 = 9,354.41 : x
  2. Step 2: Convert to fraction form
    10,563.94/14,559.18 = 9,354.41/x
  3. Step 3: Cross multiply
    10,563.94x = 14,559.18 × 9,354.41
  4. Step 4: Simplify right side
    10,563.94x = 136,192,466.19
  5. Step 5: Solve for x
    x = 136,192,466.19/10,563.94
  6. Step 6: Final answer
    x = 12,892.21

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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.