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Finding the Fourth Proportional to 15,788.58, 23,685.03 and 7,023.30

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Solution

The fourth proportional to 15,788.58, 23,685.03 and 7,023.30 is: 10,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.58 : 23,685.03 = 7,023.30 : x
  2. Step 2: Convert to fraction form
    15,788.58/23,685.03 = 7,023.30/x
  3. Step 3: Cross multiply
    15,788.58x = 23,685.03 × 7,023.30
  4. Step 4: Simplify right side
    15,788.58x = 166,347,071.20
  5. Step 5: Solve for x
    x = 166,347,071.20/15,788.58
  6. Step 6: Final answer
    x = 10,535.91

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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.