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Finding the Fourth Proportional to 7,009.99, 10,530.25 and 4,237.97

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Solution

The fourth proportional to 7,009.99, 10,530.25 and 4,237.97 is: 6,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.99 : 10,530.25 = 4,237.97 : x
  2. Step 2: Convert to fraction form
    7,009.99/10,530.25 = 4,237.97/x
  3. Step 3: Cross multiply
    7,009.99x = 10,530.25 × 4,237.97
  4. Step 4: Simplify right side
    7,009.99x = 44,626,809.75
  5. Step 5: Solve for x
    x = 44,626,809.75/7,009.99
  6. Step 6: Final answer
    x = 6,366.18

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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.