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Finding the Fourth Proportional to 28,394.88, 42,527.52 and 24,230.40

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Solution

The fourth proportional to 28,394.88, 42,527.52 and 24,230.40 is: 36,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,394.88 : 42,527.52 = 24,230.40 : x
  2. Step 2: Convert to fraction form
    28,394.88/42,527.52 = 24,230.40/x
  3. Step 3: Cross multiply
    28,394.88x = 42,527.52 × 24,230.40
  4. Step 4: Simplify right side
    28,394.88x = 1,030,458,820.61
  5. Step 5: Solve for x
    x = 1,030,458,820.61/28,394.88
  6. Step 6: Final answer
    x = 36,290.30

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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.