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Finding the Fourth Proportional to 52,334.88, 72,221.88 and 28,461.36

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Solution

The fourth proportional to 52,334.88, 72,221.88 and 28,461.36 is: 39,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,334.88 : 72,221.88 = 28,461.36 : x
  2. Step 2: Convert to fraction form
    52,334.88/72,221.88 = 28,461.36/x
  3. Step 3: Cross multiply
    52,334.88x = 72,221.88 × 28,461.36
  4. Step 4: Simplify right side
    52,334.88x = 2,055,532,926.56
  5. Step 5: Solve for x
    x = 2,055,532,926.56/52,334.88
  6. Step 6: Final answer
    x = 39,276.54

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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.