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Finding the Fourth Proportional to 5,006.79, 7,502.88 and 2,816.13

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Solution

The fourth proportional to 5,006.79, 7,502.88 and 2,816.13 is: 4,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.79 : 7,502.88 = 2,816.13 : x
  2. Step 2: Convert to fraction form
    5,006.79/7,502.88 = 2,816.13/x
  3. Step 3: Cross multiply
    5,006.79x = 7,502.88 × 2,816.13
  4. Step 4: Simplify right side
    5,006.79x = 21,129,085.45
  5. Step 5: Solve for x
    x = 21,129,085.45/5,006.79
  6. Step 6: Final answer
    x = 4,220.09

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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.