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Finding the Fourth Proportional to 42,314.40, 58,388.40 and 23,450.40

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Solution

The fourth proportional to 42,314.40, 58,388.40 and 23,450.40 is: 32,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,314.40 : 58,388.40 = 23,450.40 : x
  2. Step 2: Convert to fraction form
    42,314.40/58,388.40 = 23,450.40/x
  3. Step 3: Cross multiply
    42,314.40x = 58,388.40 × 23,450.40
  4. Step 4: Simplify right side
    42,314.40x = 1,369,231,335.36
  5. Step 5: Solve for x
    x = 1,369,231,335.36/42,314.40
  6. Step 6: Final answer
    x = 32,358.52

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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.