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Finding the Fourth Proportional to 35,843.60, 53,765.40 and 19,254.80

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Solution

The fourth proportional to 35,843.60, 53,765.40 and 19,254.80 is: 28,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,843.60 : 53,765.40 = 19,254.80 : x
  2. Step 2: Convert to fraction form
    35,843.60/53,765.40 = 19,254.80/x
  3. Step 3: Cross multiply
    35,843.60x = 53,765.40 × 19,254.80
  4. Step 4: Simplify right side
    35,843.60x = 1,035,242,023.92
  5. Step 5: Solve for x
    x = 1,035,242,023.92/35,843.60
  6. Step 6: Final answer
    x = 28,882.20

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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.