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Finding the Fourth Proportional to 52,338.70, 72,230.36 and 28,464.89

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Solution

The fourth proportional to 52,338.70, 72,230.36 and 28,464.89 is: 39,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,338.70 : 72,230.36 = 28,464.89 : x
  2. Step 2: Convert to fraction form
    52,338.70/72,230.36 = 28,464.89/x
  3. Step 3: Cross multiply
    52,338.70x = 72,230.36 × 28,464.89
  4. Step 4: Simplify right side
    52,338.70x = 2,056,029,290.31
  5. Step 5: Solve for x
    x = 2,056,029,290.31/52,338.70
  6. Step 6: Final answer
    x = 39,283.16

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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.