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Finding the Fourth Proportional to 17,411.80, 26,117.70 and 17,152.60

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Solution

The fourth proportional to 17,411.80, 26,117.70 and 17,152.60 is: 25,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,411.80 : 26,117.70 = 17,152.60 : x
  2. Step 2: Convert to fraction form
    17,411.80/26,117.70 = 17,152.60/x
  3. Step 3: Cross multiply
    17,411.80x = 26,117.70 × 17,152.60
  4. Step 4: Simplify right side
    17,411.80x = 447,986,461.02
  5. Step 5: Solve for x
    x = 447,986,461.02/17,411.80
  6. Step 6: Final answer
    x = 25,728.90

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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.