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Finding the Fourth Proportional to 14,037.52, 19,372.08 and 7,750.30

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Solution

The fourth proportional to 14,037.52, 19,372.08 and 7,750.30 is: 10,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.52 : 19,372.08 = 7,750.30 : x
  2. Step 2: Convert to fraction form
    14,037.52/19,372.08 = 7,750.30/x
  3. Step 3: Cross multiply
    14,037.52x = 19,372.08 × 7,750.30
  4. Step 4: Simplify right side
    14,037.52x = 150,139,431.62
  5. Step 5: Solve for x
    x = 150,139,431.62/14,037.52
  6. Step 6: Final answer
    x = 10,695.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.