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Finding the Fourth Proportional to 9,409.70, 14,114.55 and 9,344.90

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Solution

The fourth proportional to 9,409.70, 14,114.55 and 9,344.90 is: 14,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,409.70 : 14,114.55 = 9,344.90 : x
  2. Step 2: Convert to fraction form
    9,409.70/14,114.55 = 9,344.90/x
  3. Step 3: Cross multiply
    9,409.70x = 14,114.55 × 9,344.90
  4. Step 4: Simplify right side
    9,409.70x = 131,899,058.30
  5. Step 5: Solve for x
    x = 131,899,058.30/9,409.70
  6. Step 6: Final answer
    x = 14,017.35

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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.