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Finding the Fourth Proportional to 28,304.52, 42,458.94 and 7,527.48

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Solution

The fourth proportional to 28,304.52, 42,458.94 and 7,527.48 is: 11,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304.52 : 42,458.94 = 7,527.48 : x
  2. Step 2: Convert to fraction form
    28,304.52/42,458.94 = 7,527.48/x
  3. Step 3: Cross multiply
    28,304.52x = 42,458.94 × 7,527.48
  4. Step 4: Simplify right side
    28,304.52x = 319,608,821.67
  5. Step 5: Solve for x
    x = 319,608,821.67/28,304.52
  6. Step 6: Final answer
    x = 11,291.79

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1.5x scale

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.