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Finding the Fourth Proportional to 9,228.86, 12,735.86 and 5,037.11

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Solution

The fourth proportional to 9,228.86, 12,735.86 and 5,037.11 is: 6,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.86 : 12,735.86 = 5,037.11 : x
  2. Step 2: Convert to fraction form
    9,228.86/12,735.86 = 5,037.11/x
  3. Step 3: Cross multiply
    9,228.86x = 12,735.86 × 5,037.11
  4. Step 4: Simplify right side
    9,228.86x = 64,151,927.76
  5. Step 5: Solve for x
    x = 64,151,927.76/9,228.86
  6. Step 6: Final answer
    x = 6,951.23

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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.