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Finding the Fourth Proportional to 52,765.63, 72,815.08 and 30,104.16

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Solution

The fourth proportional to 52,765.63, 72,815.08 and 30,104.16 is: 41,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765.63 : 72,815.08 = 30,104.16 : x
  2. Step 2: Convert to fraction form
    52,765.63/72,815.08 = 30,104.16/x
  3. Step 3: Cross multiply
    52,765.63x = 72,815.08 × 30,104.16
  4. Step 4: Simplify right side
    52,765.63x = 2,192,036,818.73
  5. Step 5: Solve for x
    x = 2,192,036,818.73/52,765.63
  6. Step 6: Final answer
    x = 41,542.89

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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.