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Finding the Fourth Proportional to 38,358, 57,406.68 and 23,559.12

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Solution

The fourth proportional to 38,358, 57,406.68 and 23,559.12 is: 35,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358 : 57,406.68 = 23,559.12 : x
  2. Step 2: Convert to fraction form
    38,358/57,406.68 = 23,559.12/x
  3. Step 3: Cross multiply
    38,358x = 57,406.68 × 23,559.12
  4. Step 4: Simplify right side
    38,358x = 1,352,450,862.92
  5. Step 5: Solve for x
    x = 1,352,450,862.92/38,358
  6. Step 6: Final answer
    x = 35,258.64

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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.