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Finding the Fourth Proportional to 40,221, 55,505.03 and 23,457.24

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Solution

The fourth proportional to 40,221, 55,505.03 and 23,457.24 is: 32,371.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221 : 55,505.03 = 23,457.24 : x
  2. Step 2: Convert to fraction form
    40,221/55,505.03 = 23,457.24/x
  3. Step 3: Cross multiply
    40,221x = 55,505.03 × 23,457.24
  4. Step 4: Simplify right side
    40,221x = 1,301,994,809.92
  5. Step 5: Solve for x
    x = 1,301,994,809.92/40,221
  6. Step 6: Final answer
    x = 32,371.02

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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.