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Finding the Fourth Proportional to 9,346.45, 12,891.44 and 9,037.54

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Solution

The fourth proportional to 9,346.45, 12,891.44 and 9,037.54 is: 12,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346.45 : 12,891.44 = 9,037.54 : x
  2. Step 2: Convert to fraction form
    9,346.45/12,891.44 = 9,037.54/x
  3. Step 3: Cross multiply
    9,346.45x = 12,891.44 × 9,037.54
  4. Step 4: Simplify right side
    9,346.45x = 116,506,870.85
  5. Step 5: Solve for x
    x = 116,506,870.85/9,346.45
  6. Step 6: Final answer
    x = 12,465.36

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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.