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Finding the Fourth Proportional to 17,697.78, 24,423.08 and 9,740.03

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Solution

The fourth proportional to 17,697.78, 24,423.08 and 9,740.03 is: 13,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.78 : 24,423.08 = 9,740.03 : x
  2. Step 2: Convert to fraction form
    17,697.78/24,423.08 = 9,740.03/x
  3. Step 3: Cross multiply
    17,697.78x = 24,423.08 × 9,740.03
  4. Step 4: Simplify right side
    17,697.78x = 237,881,361.08
  5. Step 5: Solve for x
    x = 237,881,361.08/17,697.78
  6. Step 6: Final answer
    x = 13,441.31

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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.