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Finding the Fourth Proportional to 17,312.55, 25,914.15 and 17,312.55

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Solution

The fourth proportional to 17,312.55, 25,914.15 and 17,312.55 is: 25,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.55 : 25,914.15 = 17,312.55 : x
  2. Step 2: Convert to fraction form
    17,312.55/25,914.15 = 17,312.55/x
  3. Step 3: Cross multiply
    17,312.55x = 25,914.15 × 17,312.55
  4. Step 4: Simplify right side
    17,312.55x = 448,640,017.58
  5. Step 5: Solve for x
    x = 448,640,017.58/17,312.55
  6. Step 6: Final answer
    x = 25,914.15

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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.