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Finding the Fourth Proportional to 35,433.60, 53,265.60 and 25,116.80

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Solution

The fourth proportional to 35,433.60, 53,265.60 and 25,116.80 is: 37,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,433.60 : 53,265.60 = 25,116.80 : x
  2. Step 2: Convert to fraction form
    35,433.60/53,265.60 = 25,116.80/x
  3. Step 3: Cross multiply
    35,433.60x = 53,265.60 × 25,116.80
  4. Step 4: Simplify right side
    35,433.60x = 1,337,861,422.08
  5. Step 5: Solve for x
    x = 1,337,861,422.08/35,433.60
  6. Step 6: Final answer
    x = 37,756.86

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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.