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Finding the Fourth Proportional to 5,681.59, 7,840.59 and 3,323.27

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Solution

The fourth proportional to 5,681.59, 7,840.59 and 3,323.27 is: 4,586.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.59 : 7,840.59 = 3,323.27 : x
  2. Step 2: Convert to fraction form
    5,681.59/7,840.59 = 3,323.27/x
  3. Step 3: Cross multiply
    5,681.59x = 7,840.59 × 3,323.27
  4. Step 4: Simplify right side
    5,681.59x = 26,056,397.53
  5. Step 5: Solve for x
    x = 26,056,397.53/5,681.59
  6. Step 6: Final answer
    x = 4,586.11

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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.