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Finding the Fourth Proportional to 17,322.24, 25,869.60 and 17,140.80

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Solution

The fourth proportional to 17,322.24, 25,869.60 and 17,140.80 is: 25,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,322.24 : 25,869.60 = 17,140.80 : x
  2. Step 2: Convert to fraction form
    17,322.24/25,869.60 = 17,140.80/x
  3. Step 3: Cross multiply
    17,322.24x = 25,869.60 × 17,140.80
  4. Step 4: Simplify right side
    17,322.24x = 443,425,639.68
  5. Step 5: Solve for x
    x = 443,425,639.68/17,322.24
  6. Step 6: Final answer
    x = 25,598.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.