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Finding the Fourth Proportional to 32,797.40, 45,259.31 and 18,457.50

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Solution

The fourth proportional to 32,797.40, 45,259.31 and 18,457.50 is: 25,470.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,797.40 : 45,259.31 = 18,457.50 : x
  2. Step 2: Convert to fraction form
    32,797.40/45,259.31 = 18,457.50/x
  3. Step 3: Cross multiply
    32,797.40x = 45,259.31 × 18,457.50
  4. Step 4: Simplify right side
    32,797.40x = 835,373,622.04
  5. Step 5: Solve for x
    x = 835,373,622.04/32,797.40
  6. Step 6: Final answer
    x = 25,470.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.