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Finding the Fourth Proportional to 17,118.55, 25,675.80 and 4,637.80

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Solution

The fourth proportional to 17,118.55, 25,675.80 and 4,637.80 is: 6,956.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.55 : 25,675.80 = 4,637.80 : x
  2. Step 2: Convert to fraction form
    17,118.55/25,675.80 = 4,637.80/x
  3. Step 3: Cross multiply
    17,118.55x = 25,675.80 × 4,637.80
  4. Step 4: Simplify right side
    17,118.55x = 119,079,225.24
  5. Step 5: Solve for x
    x = 119,079,225.24/17,118.55
  6. Step 6: Final answer
    x = 6,956.15

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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.