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Finding the Fourth Proportional to 35,662.55, 53,455.89 and 13,466.48

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Solution

The fourth proportional to 35,662.55, 53,455.89 and 13,466.48 is: 20,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,662.55 : 53,455.89 = 13,466.48 : x
  2. Step 2: Convert to fraction form
    35,662.55/53,455.89 = 13,466.48/x
  3. Step 3: Cross multiply
    35,662.55x = 53,455.89 × 13,466.48
  4. Step 4: Simplify right side
    35,662.55x = 719,862,673.57
  5. Step 5: Solve for x
    x = 719,862,673.57/35,662.55
  6. Step 6: Final answer
    x = 20,185.40

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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.