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Finding the Fourth Proportional to 57,228.99, 78,971.72 and 32,073.63

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Solution

The fourth proportional to 57,228.99, 78,971.72 and 32,073.63 is: 44,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,228.99 : 78,971.72 = 32,073.63 : x
  2. Step 2: Convert to fraction form
    57,228.99/78,971.72 = 32,073.63/x
  3. Step 3: Cross multiply
    57,228.99x = 78,971.72 × 32,073.63
  4. Step 4: Simplify right side
    57,228.99x = 2,532,909,727.74
  5. Step 5: Solve for x
    x = 2,532,909,727.74/57,228.99
  6. Step 6: Final answer
    x = 44,259.21

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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.