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Finding the Fourth Proportional to 14,452.53, 21,693.52 and 7,788.76

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Solution

The fourth proportional to 14,452.53, 21,693.52 and 7,788.76 is: 11,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.53 : 21,693.52 = 7,788.76 : x
  2. Step 2: Convert to fraction form
    14,452.53/21,693.52 = 7,788.76/x
  3. Step 3: Cross multiply
    14,452.53x = 21,693.52 × 7,788.76
  4. Step 4: Simplify right side
    14,452.53x = 168,965,576.34
  5. Step 5: Solve for x
    x = 168,965,576.34/14,452.53
  6. Step 6: Final answer
    x = 11,691.08

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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.