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Finding the Fourth Proportional to 62,904.10, 86,807.80 and 34,611.60

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Solution

The fourth proportional to 62,904.10, 86,807.80 and 34,611.60 is: 47,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,904.10 : 86,807.80 = 34,611.60 : x
  2. Step 2: Convert to fraction form
    62,904.10/86,807.80 = 34,611.60/x
  3. Step 3: Cross multiply
    62,904.10x = 86,807.80 × 34,611.60
  4. Step 4: Simplify right side
    62,904.10x = 3,004,556,850.48
  5. Step 5: Solve for x
    x = 3,004,556,850.48/62,904.10
  6. Step 6: Final answer
    x = 47,764.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.