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Finding the Fourth Proportional to 29,322.01, 40,400.99 and 19,874.17

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Solution

The fourth proportional to 29,322.01, 40,400.99 and 19,874.17 is: 27,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,322.01 : 40,400.99 = 19,874.17 : x
  2. Step 2: Convert to fraction form
    29,322.01/40,400.99 = 19,874.17/x
  3. Step 3: Cross multiply
    29,322.01x = 40,400.99 × 19,874.17
  4. Step 4: Simplify right side
    29,322.01x = 802,935,991.11
  5. Step 5: Solve for x
    x = 802,935,991.11/29,322.01
  6. Step 6: Final answer
    x = 27,383.39

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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.