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Finding the Fourth Proportional to 7,477.95, 11,200.32 and 4,836.95

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Solution

The fourth proportional to 7,477.95, 11,200.32 and 4,836.95 is: 7,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.95 : 11,200.32 = 4,836.95 : x
  2. Step 2: Convert to fraction form
    7,477.95/11,200.32 = 4,836.95/x
  3. Step 3: Cross multiply
    7,477.95x = 11,200.32 × 4,836.95
  4. Step 4: Simplify right side
    7,477.95x = 54,175,331.82
  5. Step 5: Solve for x
    x = 54,175,331.82/7,477.95
  6. Step 6: Final answer
    x = 7,244.68

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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.