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Finding the Fourth Proportional to 24,748.40, 37,079.40 and 21,033.20

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Solution

The fourth proportional to 24,748.40, 37,079.40 and 21,033.20 is: 31,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,748.40 : 37,079.40 = 21,033.20 : x
  2. Step 2: Convert to fraction form
    24,748.40/37,079.40 = 21,033.20/x
  3. Step 3: Cross multiply
    24,748.40x = 37,079.40 × 21,033.20
  4. Step 4: Simplify right side
    24,748.40x = 779,898,436.08
  5. Step 5: Solve for x
    x = 779,898,436.08/24,748.40
  6. Step 6: Final answer
    x = 31,513.09

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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.