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Finding the Fourth Proportional to 7,193.76, 10,776.81 and 4,412.32

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Solution

The fourth proportional to 7,193.76, 10,776.81 and 4,412.32 is: 6,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.76 : 10,776.81 = 4,412.32 : x
  2. Step 2: Convert to fraction form
    7,193.76/10,776.81 = 4,412.32/x
  3. Step 3: Cross multiply
    7,193.76x = 10,776.81 × 4,412.32
  4. Step 4: Simplify right side
    7,193.76x = 47,550,734.30
  5. Step 5: Solve for x
    x = 47,550,734.30/7,193.76
  6. Step 6: Final answer
    x = 6,610.00

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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.