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Finding the Fourth Proportional to 53,353.08, 80,043.80 and 44,420.00

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Solution

The fourth proportional to 53,353.08, 80,043.80 and 44,420.00 is: 66,641.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,353.08 : 80,043.80 = 44,420.00 : x
  2. Step 2: Convert to fraction form
    53,353.08/80,043.80 = 44,420.00/x
  3. Step 3: Cross multiply
    53,353.08x = 80,043.80 × 44,420.00
  4. Step 4: Simplify right side
    53,353.08x = 3,555,544,973.68
  5. Step 5: Solve for x
    x = 3,555,544,973.68/53,353.08
  6. Step 6: Final answer
    x = 66,641.79

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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.