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Finding the Fourth Proportional to 17,070.80, 25,606.20 and 16,852.10

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Solution

The fourth proportional to 17,070.80, 25,606.20 and 16,852.10 is: 25,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,070.80 : 25,606.20 = 16,852.10 : x
  2. Step 2: Convert to fraction form
    17,070.80/25,606.20 = 16,852.10/x
  3. Step 3: Cross multiply
    17,070.80x = 25,606.20 × 16,852.10
  4. Step 4: Simplify right side
    17,070.80x = 431,518,243.02
  5. Step 5: Solve for x
    x = 431,518,243.02/17,070.80
  6. Step 6: Final answer
    x = 25,278.15

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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.