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Finding the Fourth Proportional to 7,630.65, 10,529.99 and 4,273.65

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Solution

The fourth proportional to 7,630.65, 10,529.99 and 4,273.65 is: 5,897.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.65 : 10,529.99 = 4,273.65 : x
  2. Step 2: Convert to fraction form
    7,630.65/10,529.99 = 4,273.65/x
  3. Step 3: Cross multiply
    7,630.65x = 10,529.99 × 4,273.65
  4. Step 4: Simplify right side
    7,630.65x = 45,001,470.40
  5. Step 5: Solve for x
    x = 45,001,470.40/7,630.65
  6. Step 6: Final answer
    x = 5,897.46

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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.