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Finding the Fourth Proportional to 9,423.80, 13,008.94 and 7,324.60

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Solution

The fourth proportional to 9,423.80, 13,008.94 and 7,324.60 is: 10,111.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.80 : 13,008.94 = 7,324.60 : x
  2. Step 2: Convert to fraction form
    9,423.80/13,008.94 = 7,324.60/x
  3. Step 3: Cross multiply
    9,423.80x = 13,008.94 × 7,324.60
  4. Step 4: Simplify right side
    9,423.80x = 95,285,281.92
  5. Step 5: Solve for x
    x = 95,285,281.92/9,423.80
  6. Step 6: Final answer
    x = 10,111.13

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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.