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Finding the Fourth Proportional to 35,624.80, 53,372.40 and 29,015.20

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Solution

The fourth proportional to 35,624.80, 53,372.40 and 29,015.20 is: 43,470.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,624.80 : 53,372.40 = 29,015.20 : x
  2. Step 2: Convert to fraction form
    35,624.80/53,372.40 = 29,015.20/x
  3. Step 3: Cross multiply
    35,624.80x = 53,372.40 × 29,015.20
  4. Step 4: Simplify right side
    35,624.80x = 1,548,610,860.48
  5. Step 5: Solve for x
    x = 1,548,610,860.48/35,624.80
  6. Step 6: Final answer
    x = 43,470.02

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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.