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Finding the Fourth Proportional to 5,744.52, 7,929.62 and 5,586.51

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Solution

The fourth proportional to 5,744.52, 7,929.62 and 5,586.51 is: 7,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744.52 : 7,929.62 = 5,586.51 : x
  2. Step 2: Convert to fraction form
    5,744.52/7,929.62 = 5,586.51/x
  3. Step 3: Cross multiply
    5,744.52x = 7,929.62 × 5,586.51
  4. Step 4: Simplify right side
    5,744.52x = 44,298,901.43
  5. Step 5: Solve for x
    x = 44,298,901.43/5,744.52
  6. Step 6: Final answer
    x = 7,711.51

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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.