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Finding the Fourth Proportional to 9,355.70, 14,037.60 and 4,738.70

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Solution

The fourth proportional to 9,355.70, 14,037.60 and 4,738.70 is: 7,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.70 : 14,037.60 = 4,738.70 : x
  2. Step 2: Convert to fraction form
    9,355.70/14,037.60 = 4,738.70/x
  3. Step 3: Cross multiply
    9,355.70x = 14,037.60 × 4,738.70
  4. Step 4: Simplify right side
    9,355.70x = 66,519,975.12
  5. Step 5: Solve for x
    x = 66,519,975.12/9,355.70
  6. Step 6: Final answer
    x = 7,110.10

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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.