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Finding the Fourth Proportional to 24,030.40, 36,002.40 and 20,574.40

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Solution

The fourth proportional to 24,030.40, 36,002.40 and 20,574.40 is: 30,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,030.40 : 36,002.40 = 20,574.40 : x
  2. Step 2: Convert to fraction form
    24,030.40/36,002.40 = 20,574.40/x
  3. Step 3: Cross multiply
    24,030.40x = 36,002.40 × 20,574.40
  4. Step 4: Simplify right side
    24,030.40x = 740,727,778.56
  5. Step 5: Solve for x
    x = 740,727,778.56/24,030.40
  6. Step 6: Final answer
    x = 30,824.61

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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.