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Finding the Fourth Proportional to 69,611.40, 104,417.10 and 25,239.60

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Solution

The fourth proportional to 69,611.40, 104,417.10 and 25,239.60 is: 37,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,611.40 : 104,417.10 = 25,239.60 : x
  2. Step 2: Convert to fraction form
    69,611.40/104,417.10 = 25,239.60/x
  3. Step 3: Cross multiply
    69,611.40x = 104,417.10 × 25,239.60
  4. Step 4: Simplify right side
    69,611.40x = 2,635,445,837.16
  5. Step 5: Solve for x
    x = 2,635,445,837.16/69,611.40
  6. Step 6: Final answer
    x = 37,859.40

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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.