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Finding the Fourth Proportional to 72,014.20, 108,053.70 and 25,300.60

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Solution

The fourth proportional to 72,014.20, 108,053.70 and 25,300.60 is: 37,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,014.20 : 108,053.70 = 25,300.60 : x
  2. Step 2: Convert to fraction form
    72,014.20/108,053.70 = 25,300.60/x
  3. Step 3: Cross multiply
    72,014.20x = 108,053.70 × 25,300.60
  4. Step 4: Simplify right side
    72,014.20x = 2,733,823,442.22
  5. Step 5: Solve for x
    x = 2,733,823,442.22/72,014.20
  6. Step 6: Final answer
    x = 37,962.28

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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.