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Finding the Fourth Proportional to 17,310.79, 23,888.87 and 9,353.01

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Solution

The fourth proportional to 17,310.79, 23,888.87 and 9,353.01 is: 12,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,310.79 : 23,888.87 = 9,353.01 : x
  2. Step 2: Convert to fraction form
    17,310.79/23,888.87 = 9,353.01/x
  3. Step 3: Cross multiply
    17,310.79x = 23,888.87 × 9,353.01
  4. Step 4: Simplify right side
    17,310.79x = 223,432,863.38
  5. Step 5: Solve for x
    x = 223,432,863.38/17,310.79
  6. Step 6: Final answer
    x = 12,907.15

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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.