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Finding the Fourth Proportional to 37,812.48, 52,175.52 and 21,898.48

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Solution

The fourth proportional to 37,812.48, 52,175.52 and 21,898.48 is: 30,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,812.48 : 52,175.52 = 21,898.48 : x
  2. Step 2: Convert to fraction form
    37,812.48/52,175.52 = 21,898.48/x
  3. Step 3: Cross multiply
    37,812.48x = 52,175.52 × 21,898.48
  4. Step 4: Simplify right side
    37,812.48x = 1,142,564,581.21
  5. Step 5: Solve for x
    x = 1,142,564,581.21/37,812.48
  6. Step 6: Final answer
    x = 30,216.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.