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Finding the Fourth Proportional to 7,503.98, 10,355.19 and 4,359.92

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Solution

The fourth proportional to 7,503.98, 10,355.19 and 4,359.92 is: 6,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.98 : 10,355.19 = 4,359.92 : x
  2. Step 2: Convert to fraction form
    7,503.98/10,355.19 = 4,359.92/x
  3. Step 3: Cross multiply
    7,503.98x = 10,355.19 × 4,359.92
  4. Step 4: Simplify right side
    7,503.98x = 45,147,799.98
  5. Step 5: Solve for x
    x = 45,147,799.98/7,503.98
  6. Step 6: Final answer
    x = 6,016.51

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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.