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Finding the Fourth Proportional to 35,259.92, 52,889.90 and 8,605.86

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Solution

The fourth proportional to 35,259.92, 52,889.90 and 8,605.86 is: 12,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,259.92 : 52,889.90 = 8,605.86 : x
  2. Step 2: Convert to fraction form
    35,259.92/52,889.90 = 8,605.86/x
  3. Step 3: Cross multiply
    35,259.92x = 52,889.90 × 8,605.86
  4. Step 4: Simplify right side
    35,259.92x = 455,163,130.95
  5. Step 5: Solve for x
    x = 455,163,130.95/35,259.92
  6. Step 6: Final answer
    x = 12,908.79

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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.