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Finding the Fourth Proportional to 7,302.98, 10,944.04 and 5,630.78

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Solution

The fourth proportional to 7,302.98, 10,944.04 and 5,630.78 is: 8,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.98 : 10,944.04 = 5,630.78 : x
  2. Step 2: Convert to fraction form
    7,302.98/10,944.04 = 5,630.78/x
  3. Step 3: Cross multiply
    7,302.98x = 10,944.04 × 5,630.78
  4. Step 4: Simplify right side
    7,302.98x = 61,623,426.83
  5. Step 5: Solve for x
    x = 61,623,426.83/7,302.98
  6. Step 6: Final answer
    x = 8,438.13

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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.