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Finding the Fourth Proportional to 35,313.41, 52,970.20 and 8,659.52

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Solution

The fourth proportional to 35,313.41, 52,970.20 and 8,659.52 is: 12,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.41 : 52,970.20 = 8,659.52 : x
  2. Step 2: Convert to fraction form
    35,313.41/52,970.20 = 8,659.52/x
  3. Step 3: Cross multiply
    35,313.41x = 52,970.20 × 8,659.52
  4. Step 4: Simplify right side
    35,313.41x = 458,696,219.80
  5. Step 5: Solve for x
    x = 458,696,219.80/35,313.41
  6. Step 6: Final answer
    x = 12,989.29

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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.