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Finding the Fourth Proportional to 7,609.99, 10,503.54 and 4,952.79

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Solution

The fourth proportional to 7,609.99, 10,503.54 and 4,952.79 is: 6,835.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.99 : 10,503.54 = 4,952.79 : x
  2. Step 2: Convert to fraction form
    7,609.99/10,503.54 = 4,952.79/x
  3. Step 3: Cross multiply
    7,609.99x = 10,503.54 × 4,952.79
  4. Step 4: Simplify right side
    7,609.99x = 52,021,827.88
  5. Step 5: Solve for x
    x = 52,021,827.88/7,609.99
  6. Step 6: Final answer
    x = 6,835.99

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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.