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Finding the Fourth Proportional to 29,646.27, 40,922.27 and 18,324.45

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Solution

The fourth proportional to 29,646.27, 40,922.27 and 18,324.45 is: 25,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,646.27 : 40,922.27 = 18,324.45 : x
  2. Step 2: Convert to fraction form
    29,646.27/40,922.27 = 18,324.45/x
  3. Step 3: Cross multiply
    29,646.27x = 40,922.27 × 18,324.45
  4. Step 4: Simplify right side
    29,646.27x = 749,878,090.50
  5. Step 5: Solve for x
    x = 749,878,090.50/29,646.27
  6. Step 6: Final answer
    x = 25,294.18

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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.