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Finding the Fourth Proportional to 17,323.12, 25,985.04 and 6,645.70

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Solution

The fourth proportional to 17,323.12, 25,985.04 and 6,645.70 is: 9,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,323.12 : 25,985.04 = 6,645.70 : x
  2. Step 2: Convert to fraction form
    17,323.12/25,985.04 = 6,645.70/x
  3. Step 3: Cross multiply
    17,323.12x = 25,985.04 × 6,645.70
  4. Step 4: Simplify right side
    17,323.12x = 172,688,780.33
  5. Step 5: Solve for x
    x = 172,688,780.33/17,323.12
  6. Step 6: Final answer
    x = 9,968.69

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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.