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Finding the Fourth Proportional to 7,775.92, 11,669.69 and 4,484.62

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Solution

The fourth proportional to 7,775.92, 11,669.69 and 4,484.62 is: 6,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.92 : 11,669.69 = 4,484.62 : x
  2. Step 2: Convert to fraction form
    7,775.92/11,669.69 = 4,484.62/x
  3. Step 3: Cross multiply
    7,775.92x = 11,669.69 × 4,484.62
  4. Step 4: Simplify right side
    7,775.92x = 52,334,125.17
  5. Step 5: Solve for x
    x = 52,334,125.17/7,775.92
  6. Step 6: Final answer
    x = 6,730.28

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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.