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Finding the Fourth Proportional to 43,703.28, 65,539.80 and 27,037.80

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Solution

The fourth proportional to 43,703.28, 65,539.80 and 27,037.80 is: 40,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,703.28 : 65,539.80 = 27,037.80 : x
  2. Step 2: Convert to fraction form
    43,703.28/65,539.80 = 27,037.80/x
  3. Step 3: Cross multiply
    43,703.28x = 65,539.80 × 27,037.80
  4. Step 4: Simplify right side
    43,703.28x = 1,772,052,004.44
  5. Step 5: Solve for x
    x = 1,772,052,004.44/43,703.28
  6. Step 6: Final answer
    x = 40,547.35

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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.