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Finding the Fourth Proportional to 24,365.70, 36,548.55 and 20,210.40

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Solution

The fourth proportional to 24,365.70, 36,548.55 and 20,210.40 is: 30,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,365.70 : 36,548.55 = 20,210.40 : x
  2. Step 2: Convert to fraction form
    24,365.70/36,548.55 = 20,210.40/x
  3. Step 3: Cross multiply
    24,365.70x = 36,548.55 × 20,210.40
  4. Step 4: Simplify right side
    24,365.70x = 738,660,814.92
  5. Step 5: Solve for x
    x = 738,660,814.92/24,365.70
  6. Step 6: Final answer
    x = 30,315.60

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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.