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Finding the Fourth Proportional to 24,698.70, 36,938.70 and 20,762.10

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Solution

The fourth proportional to 24,698.70, 36,938.70 and 20,762.10 is: 31,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,698.70 : 36,938.70 = 20,762.10 : x
  2. Step 2: Convert to fraction form
    24,698.70/36,938.70 = 20,762.10/x
  3. Step 3: Cross multiply
    24,698.70x = 36,938.70 × 20,762.10
  4. Step 4: Simplify right side
    24,698.70x = 766,924,983.27
  5. Step 5: Solve for x
    x = 766,924,983.27/24,698.70
  6. Step 6: Final answer
    x = 31,051.23

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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.