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Finding the Fourth Proportional to 35,720.55, 53,583.06 and 9,425.33

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Solution

The fourth proportional to 35,720.55, 53,583.06 and 9,425.33 is: 14,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,720.55 : 53,583.06 = 9,425.33 : x
  2. Step 2: Convert to fraction form
    35,720.55/53,583.06 = 9,425.33/x
  3. Step 3: Cross multiply
    35,720.55x = 53,583.06 × 9,425.33
  4. Step 4: Simplify right side
    35,720.55x = 505,037,754.99
  5. Step 5: Solve for x
    x = 505,037,754.99/35,720.55
  6. Step 6: Final answer
    x = 14,138.58

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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.