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Finding the Fourth Proportional to 35,172.59, 52,758.93 and 8,879.36

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Solution

The fourth proportional to 35,172.59, 52,758.93 and 8,879.36 is: 13,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,172.59 : 52,758.93 = 8,879.36 : x
  2. Step 2: Convert to fraction form
    35,172.59/52,758.93 = 8,879.36/x
  3. Step 3: Cross multiply
    35,172.59x = 52,758.93 × 8,879.36
  4. Step 4: Simplify right side
    35,172.59x = 468,465,532.68
  5. Step 5: Solve for x
    x = 468,465,532.68/35,172.59
  6. Step 6: Final answer
    x = 13,319.05

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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.