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Finding the Fourth Proportional to 25,297.30, 37,913.55 and 19,424.80

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Solution

The fourth proportional to 25,297.30, 37,913.55 and 19,424.80 is: 29,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,297.30 : 37,913.55 = 19,424.80 : x
  2. Step 2: Convert to fraction form
    25,297.30/37,913.55 = 19,424.80/x
  3. Step 3: Cross multiply
    25,297.30x = 37,913.55 × 19,424.80
  4. Step 4: Simplify right side
    25,297.30x = 736,463,126.04
  5. Step 5: Solve for x
    x = 736,463,126.04/25,297.30
  6. Step 6: Final answer
    x = 29,112.32

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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.