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Finding the Fourth Proportional to 35,597.20, 53,400.60 and 12,230.80

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Solution

The fourth proportional to 35,597.20, 53,400.60 and 12,230.80 is: 18,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,597.20 : 53,400.60 = 12,230.80 : x
  2. Step 2: Convert to fraction form
    35,597.20/53,400.60 = 12,230.80/x
  3. Step 3: Cross multiply
    35,597.20x = 53,400.60 × 12,230.80
  4. Step 4: Simplify right side
    35,597.20x = 653,132,058.48
  5. Step 5: Solve for x
    x = 653,132,058.48/35,597.20
  6. Step 6: Final answer
    x = 18,347.85

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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.