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Finding the Fourth Proportional to 52,913.32, 73,020.32 and 29,040.05

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Solution

The fourth proportional to 52,913.32, 73,020.32 and 29,040.05 is: 40,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,913.32 : 73,020.32 = 29,040.05 : x
  2. Step 2: Convert to fraction form
    52,913.32/73,020.32 = 29,040.05/x
  3. Step 3: Cross multiply
    52,913.32x = 73,020.32 × 29,040.05
  4. Step 4: Simplify right side
    52,913.32x = 2,120,513,890.07
  5. Step 5: Solve for x
    x = 2,120,513,890.07/52,913.32
  6. Step 6: Final answer
    x = 40,075.24

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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.