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Finding the Fourth Proportional to 5,303.84, 7,952.96 and 1,840.32

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Solution

The fourth proportional to 5,303.84, 7,952.96 and 1,840.32 is: 2,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.84 : 7,952.96 = 1,840.32 : x
  2. Step 2: Convert to fraction form
    5,303.84/7,952.96 = 1,840.32/x
  3. Step 3: Cross multiply
    5,303.84x = 7,952.96 × 1,840.32
  4. Step 4: Simplify right side
    5,303.84x = 14,635,991.35
  5. Step 5: Solve for x
    x = 14,635,991.35/5,303.84
  6. Step 6: Final answer
    x = 2,759.51

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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.