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Finding the Fourth Proportional to 29,871.40, 44,807.10 and 25,716.10

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Solution

The fourth proportional to 29,871.40, 44,807.10 and 25,716.10 is: 38,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,871.40 : 44,807.10 = 25,716.10 : x
  2. Step 2: Convert to fraction form
    29,871.40/44,807.10 = 25,716.10/x
  3. Step 3: Cross multiply
    29,871.40x = 44,807.10 × 25,716.10
  4. Step 4: Simplify right side
    29,871.40x = 1,152,263,864.31
  5. Step 5: Solve for x
    x = 1,152,263,864.31/29,871.40
  6. Step 6: Final answer
    x = 38,574.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.