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Finding the Fourth Proportional to 21,358.24, 32,037.36 and 7,504

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Solution

The fourth proportional to 21,358.24, 32,037.36 and 7,504 is: 11,256.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.24 : 32,037.36 = 7,504 : x
  2. Step 2: Convert to fraction form
    21,358.24/32,037.36 = 7,504/x
  3. Step 3: Cross multiply
    21,358.24x = 32,037.36 × 7,504
  4. Step 4: Simplify right side
    21,358.24x = 240,408,349.44
  5. Step 5: Solve for x
    x = 240,408,349.44/21,358.24
  6. Step 6: Final answer
    x = 11,256.00

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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.