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Finding the Fourth Proportional to 17,653.56, 26,483.98 and 5,173.99

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Solution

The fourth proportional to 17,653.56, 26,483.98 and 5,173.99 is: 7,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,653.56 : 26,483.98 = 5,173.99 : x
  2. Step 2: Convert to fraction form
    17,653.56/26,483.98 = 5,173.99/x
  3. Step 3: Cross multiply
    17,653.56x = 26,483.98 × 5,173.99
  4. Step 4: Simplify right side
    17,653.56x = 137,027,781.47
  5. Step 5: Solve for x
    x = 137,027,781.47/17,653.56
  6. Step 6: Final answer
    x = 7,762.05

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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.