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Finding the Fourth Proportional to 15,673.72, 23,509.44 and 7,355.64

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Solution

The fourth proportional to 15,673.72, 23,509.44 and 7,355.64 is: 11,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.72 : 23,509.44 = 7,355.64 : x
  2. Step 2: Convert to fraction form
    15,673.72/23,509.44 = 7,355.64/x
  3. Step 3: Cross multiply
    15,673.72x = 23,509.44 × 7,355.64
  4. Step 4: Simplify right side
    15,673.72x = 172,926,977.24
  5. Step 5: Solve for x
    x = 172,926,977.24/15,673.72
  6. Step 6: Final answer
    x = 11,032.93

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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.