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Finding the Fourth Proportional to 17,154.74, 25,729.44 and 6,623.22

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Solution

The fourth proportional to 17,154.74, 25,729.44 and 6,623.22 is: 9,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.74 : 25,729.44 = 6,623.22 : x
  2. Step 2: Convert to fraction form
    17,154.74/25,729.44 = 6,623.22/x
  3. Step 3: Cross multiply
    17,154.74x = 25,729.44 × 6,623.22
  4. Step 4: Simplify right side
    17,154.74x = 170,411,741.60
  5. Step 5: Solve for x
    x = 170,411,741.60/17,154.74
  6. Step 6: Final answer
    x = 9,933.80

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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.