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Finding the Fourth Proportional to 5,339.84, 8,009.15 and 1,444.55

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Solution

The fourth proportional to 5,339.84, 8,009.15 and 1,444.55 is: 2,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.84 : 8,009.15 = 1,444.55 : x
  2. Step 2: Convert to fraction form
    5,339.84/8,009.15 = 1,444.55/x
  3. Step 3: Cross multiply
    5,339.84x = 8,009.15 × 1,444.55
  4. Step 4: Simplify right side
    5,339.84x = 11,569,570.36
  5. Step 5: Solve for x
    x = 11,569,570.36/5,339.84
  6. Step 6: Final answer
    x = 2,166.65

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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.