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Finding the Fourth Proportional to 30,432.80, 45,584.40 and 24,600.80

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Solution

The fourth proportional to 30,432.80, 45,584.40 and 24,600.80 is: 36,848.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.80 : 45,584.40 = 24,600.80 : x
  2. Step 2: Convert to fraction form
    30,432.80/45,584.40 = 24,600.80/x
  3. Step 3: Cross multiply
    30,432.80x = 45,584.40 × 24,600.80
  4. Step 4: Simplify right side
    30,432.80x = 1,121,412,707.52
  5. Step 5: Solve for x
    x = 1,121,412,707.52/30,432.80
  6. Step 6: Final answer
    x = 36,848.82

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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.