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Finding the Fourth Proportional to 35,167.25, 52,756.88 and 12,980.75

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Solution

The fourth proportional to 35,167.25, 52,756.88 and 12,980.75 is: 19,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,167.25 : 52,756.88 = 12,980.75 : x
  2. Step 2: Convert to fraction form
    35,167.25/52,756.88 = 12,980.75/x
  3. Step 3: Cross multiply
    35,167.25x = 52,756.88 × 12,980.75
  4. Step 4: Simplify right side
    35,167.25x = 684,823,638.73
  5. Step 5: Solve for x
    x = 684,823,638.73/35,167.25
  6. Step 6: Final answer
    x = 19,473.33

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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.