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Finding the Fourth Proportional to 11,253.57, 16,878.95 and 7,037.19

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Solution

The fourth proportional to 11,253.57, 16,878.95 and 7,037.19 is: 10,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.57 : 16,878.95 = 7,037.19 : x
  2. Step 2: Convert to fraction form
    11,253.57/16,878.95 = 7,037.19/x
  3. Step 3: Cross multiply
    11,253.57x = 16,878.95 × 7,037.19
  4. Step 4: Simplify right side
    11,253.57x = 118,780,293.76
  5. Step 5: Solve for x
    x = 118,780,293.76/11,253.57
  6. Step 6: Final answer
    x = 10,554.90

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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.